diff --git a/examples/main.c b/examples/main.c
index 3712f2bacd4944e8fdb791ce3473875980f1f0f5..38847543bd25d6ce877b713b7e6e9ff614eb16bb 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -488,13 +488,13 @@ int main(int argc, char *argv[]) {
 
   /* Temporary early aborts for modes not supported over MPI. */
 #ifdef WITH_MPI
-    if(with_mpole_reconstruction && nr_nodes > 1)
-      error("Cannot reconstruct m-poles every step over MPI (yet).");
+  if (with_mpole_reconstruction && nr_nodes > 1)
+    error("Cannot reconstruct m-poles every step over MPI (yet).");
 #endif
 
 #if defined(WITH_MPI) && defined(HAVE_VELOCIRAPTOR)
-    if (with_structure_finding && nr_nodes > 1)
-      error("VEOCIraptor not yet enabled over MPI.");
+  if (with_structure_finding && nr_nodes > 1)
+    error("VEOCIraptor not yet enabled over MPI.");
 #endif
 
   /* Check that we can write the snapshots by testing if the output
diff --git a/src/cell.c b/src/cell.c
index 7a50e80000e9ae099ab67c2f2fd70cc17df3fb46..6ad7e4d97e754e98a4ab0eeb76a188ed6bea7c73 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -173,7 +173,7 @@ int cell_link_sparts(struct cell *c, struct spart *sparts) {
  * @return The number of packed cells.
  */
 int cell_pack(struct cell *restrict c, struct pcell *restrict pc,
-	      const int with_gravity) {
+              const int with_gravity) {
 
 #ifdef WITH_MPI
 
@@ -191,7 +191,7 @@ int cell_pack(struct cell *restrict c, struct pcell *restrict pc,
   pc->scount = c->scount;
 
   /* Copy the Multipole related information */
-  if(with_gravity) {
+  if (with_gravity) {
     const struct gravity_tensors *mp = c->multipole;
 
     pc->m_pole = mp->m_pole;
@@ -205,7 +205,6 @@ int cell_pack(struct cell *restrict c, struct pcell *restrict pc,
     pc->r_max_rebuild = mp->r_max_rebuild;
   }
 
-
 #ifdef SWIFT_DEBUG_CHECKS
   pc->cellID = c->cellID;
 #endif
@@ -297,7 +296,7 @@ int cell_unpack(struct pcell *restrict pc, struct cell *restrict c,
 #endif
 
   /* Copy the Multipole related information */
-  if(with_gravity) {
+  if (with_gravity) {
 
     struct gravity_tensors *mp = c->multipole;
 
@@ -311,7 +310,7 @@ int cell_unpack(struct pcell *restrict pc, struct cell *restrict c,
     mp->r_max = pc->r_max;
     mp->r_max_rebuild = pc->r_max_rebuild;
   }
-    
+
   /* Number of new cells created. */
   int count = 1;
 
diff --git a/src/cell.h b/src/cell.h
index 8e53bb185e150e6d97791c846e694265ee261c65..747b79f05a799b9401c67c23b72b722d385c5ced 100644
--- a/src/cell.h
+++ b/src/cell.h
@@ -79,7 +79,7 @@ struct pcell {
 
   /*! This cell's gravity-related tensors */
   struct multipole m_pole;
-  
+
   /*! Centre of mass. */
   double CoM[3];
 
@@ -501,7 +501,8 @@ void cell_munlocktree(struct cell *c);
 int cell_slocktree(struct cell *c);
 void cell_sunlocktree(struct cell *c);
 int cell_pack(struct cell *c, struct pcell *pc, const int with_gravity);
-int cell_unpack(struct pcell *pc, struct cell *c, struct space *s, const int with_gravity);
+int cell_unpack(struct pcell *pc, struct cell *c, struct space *s,
+                const int with_gravity);
 int cell_pack_tags(const struct cell *c, int *tags);
 int cell_unpack_tags(const int *tags, struct cell *c);
 int cell_pack_end_step(struct cell *c, struct pcell_step *pcell);
diff --git a/src/engine.c b/src/engine.c
index 13e5c4748e51ddf961aed96c93fe36129242da4f..3525172f1ff0820c7e2386f24e69708d1e7ded02 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -5292,7 +5292,8 @@ void engine_makeproxies(struct engine *e) {
   const int cdim[3] = {s->cdim[0], s->cdim[1], s->cdim[2]};
   const double dim[3] = {s->dim[0], s->dim[1], s->dim[2]};
   const int periodic = s->periodic;
-  const double cell_width[3] = {cells[0].width[0], cells[0].width[1], cells[0].width[2]};
+  const double cell_width[3] = {cells[0].width[0], cells[0].width[1],
+                                cells[0].width[2]};
 
   /* Get some info about the physics */
   const int with_hydro = (e->policy & engine_policy_hydro);
@@ -5356,10 +5357,9 @@ void engine_makeproxies(struct engine *e) {
         /* Get the cell ID. */
         const int cid = cell_getid(cdim, ind[0], ind[1], ind[2]);
 
-	/* and it's location */
-	const double loc_i[3] = {cells[cid].loc[0],
-				 cells[cid].loc[1],
-				 cells[cid].loc[2]};
+        /* and it's location */
+        const double loc_i[3] = {cells[cid].loc[0], cells[cid].loc[1],
+                                 cells[cid].loc[2]};
 
         /* Loop over all its neighbours (periodic). */
         for (int i = -delta_m; i <= delta_p; i++) {
@@ -5400,8 +5400,8 @@ void engine_makeproxies(struct engine *e) {
               /* In the hydro case, only care about direct neighbours */
               if (with_hydro) {
 
-		//MATTHIEU: to do: Write a better expression for the
-		// non-periodic case.
+                // MATTHIEU: to do: Write a better expression for the
+                // non-periodic case.
 
                 /* This is super-ugly but checks for direct neighbours */
                 /* with periodic BC */
@@ -5420,39 +5420,39 @@ void engine_makeproxies(struct engine *e) {
               /* In the gravity case, check distances using the MAC. */
               if (with_gravity) {
 
-		/* We don't have multipoles yet (or there CoMs) so we will have to
-		   cook up something based on cell locations only. We hence need
-		   an upper limit on the distance that the CoMs in those cells 
-		   could have. We then can decide whether we are too close 
-		   for an M2L interaction and hence require a proxy as this pair
-		   of cells cannot rely on just an M2L calculation. */
-		
-		const double loc_j[3] = {cells[cjd].loc[0],
-					 cells[cjd].loc[1],
-					 cells[cjd].loc[2]};
-
-		/* Start with the distance between the cell centres. */
-		double dx = loc_i[0] - loc_j[0];
-		double dy = loc_i[1] - loc_j[1];
-		double dz = loc_i[2] - loc_j[2];
-
-		/* Apply BC */
-		if (periodic) {
-		  dx = nearest(dx, dim[0]);
-		  dy = nearest(dy, dim[0]);
-		  dz = nearest(dz, dim[0]);
-		}
-
-		/* Add to it for the case where the future CoMs are in the corners */
-		dx += cell_width[0];
-		dy += cell_width[1];
-		dz += cell_width[2];
-
-		/* This is a crazy upper-bound but the best we can do */
-		const double r2 = dx * dx + dy * dy + dz * dz;
-
-		if (!gravity_M2L_accept(r_max, r_max, theta_crit2, r2))
-		  proxy_type |= (int)proxy_cell_type_gravity;
+                /* We don't have multipoles yet (or there CoMs) so we will have
+                   to cook up something based on cell locations only. We hence
+                   need an upper limit on the distance that the CoMs in those
+                   cells could have. We then can decide whether we are too close
+                   for an M2L interaction and hence require a proxy as this pair
+                   of cells cannot rely on just an M2L calculation. */
+
+                const double loc_j[3] = {cells[cjd].loc[0], cells[cjd].loc[1],
+                                         cells[cjd].loc[2]};
+
+                /* Start with the distance between the cell centres. */
+                double dx = loc_i[0] - loc_j[0];
+                double dy = loc_i[1] - loc_j[1];
+                double dz = loc_i[2] - loc_j[2];
+
+                /* Apply BC */
+                if (periodic) {
+                  dx = nearest(dx, dim[0]);
+                  dy = nearest(dy, dim[0]);
+                  dz = nearest(dz, dim[0]);
+                }
+
+                /* Add to it for the case where the future CoMs are in the
+                 * corners */
+                dx += cell_width[0];
+                dy += cell_width[1];
+                dz += cell_width[2];
+
+                /* This is a crazy upper-bound but the best we can do */
+                const double r2 = dx * dx + dy * dy + dz * dz;
+
+                if (!gravity_M2L_accept(r_max, r_max, theta_crit2, r2))
+                  proxy_type |= (int)proxy_cell_type_gravity;
               }
 
               /* Abort if not in range at all */
diff --git a/src/proxy.c b/src/proxy.c
index a5d30848a3aa1258d32b419dc1556a0d16a854bb..55d1f7d082fe883ce6dba83791017391c48cf032 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -126,8 +126,8 @@ void proxy_tags_exchange(struct proxy *proxies, int num_proxies,
       const int cid = proxies[k].cells_out[j] - s->cells_top;
       cids_out[send_rid] = cid;
       int err = MPI_Isend(
-          &tags_out[offset_out[cid]], proxies[k].cells_out[j]->pcell_size, MPI_INT,
-          proxies[k].nodeID, cid, MPI_COMM_WORLD, &reqs_out[send_rid]);
+          &tags_out[offset_out[cid]], proxies[k].cells_out[j]->pcell_size,
+          MPI_INT, proxies[k].nodeID, cid, MPI_COMM_WORLD, &reqs_out[send_rid]);
       if (err != MPI_SUCCESS) mpi_error(err, "Failed to isend tags.");
       send_rid += 1;
     }