diff --git a/examples/main.c b/examples/main.c
index f1fe32041eb5d8c3a5123b21d113befd4ab4a9e8..ca20148b6f684c8b92c4f1d4efd33497d9e469b7 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -384,10 +384,10 @@ int main(int argc, char *argv[]) {
   if (myrank == 0) clocks_gettime(&tic);
 #if defined(WITH_MPI)
 #if defined(HAVE_PARALLEL_HDF5)
-  read_ic_parallel(ICfileName, &us, dim, &parts, &gparts, &sparts, &Ngas, &Ngpart,
-                   &Nspart, &periodic, &flag_entropy_ICs, with_hydro,
-		   (with_external_gravity || with_self_gravity), with_stars, 
-		   myrank, nr_nodes, MPI_COMM_WORLD, MPI_INFO_NULL, dry_run);
+  read_ic_parallel(ICfileName, &us, dim, &parts, &gparts, &sparts, &Ngas,
+                   &Ngpart, &Nspart, &periodic, &flag_entropy_ICs, with_hydro,
+                   (with_external_gravity || with_self_gravity), with_stars,
+                   myrank, nr_nodes, MPI_COMM_WORLD, MPI_INFO_NULL, dry_run);
 #else
   read_ic_serial(ICfileName, &us, dim, &parts, &gparts, &sparts, &Ngas, &Ngpart,
                  &Nspart, &periodic, &flag_entropy_ICs, with_hydro,
diff --git a/src/parallel_io.c b/src/parallel_io.c
index 1dbe196c151345a09ccc736958e11c6c73ea33eb..c8c58ef842314e8e3382c20e0d8dcfbfa57d85c6 100644
--- a/src/parallel_io.c
+++ b/src/parallel_io.c
@@ -374,11 +374,11 @@ void writeArray(struct engine* e, hid_t grp, char* fileName, FILE* xmfFile,
  */
 void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
                       double dim[3], struct part** parts, struct gpart** gparts,
-                      struct spart** sparts, size_t* Ngas, size_t* Ngparts, 
-		      size_t* Nstars, int* periodic, int* flag_entropy, 
-		      int with_hydro, int with_gravity, int with_stars,
-		      int mpi_rank, int mpi_size,  MPI_Comm comm, MPI_Info info, 
-		      int dry_run) {
+                      struct spart** sparts, size_t* Ngas, size_t* Ngparts,
+                      size_t* Nstars, int* periodic, int* flag_entropy,
+                      int with_hydro, int with_gravity, int with_stars,
+                      int mpi_rank, int mpi_size, MPI_Comm comm, MPI_Info info,
+                      int dry_run) {
 
   hid_t h_file = 0, h_grp = 0;
   /* GADGET has only cubic boxes (in cosmological mode) */
@@ -499,8 +499,8 @@ void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
   /* Allocate memory to store SPH particles */
   if (with_hydro) {
     *Ngas = N[0];
-    if (posix_memalign((void*)parts, part_align, (*Ngas) * sizeof(struct part)) !=
-	0)
+    if (posix_memalign((void*)parts, part_align,
+                       (*Ngas) * sizeof(struct part)) != 0)
       error("Error while allocating memory for particles");
     bzero(*parts, *Ngas * sizeof(struct part));
   }
@@ -519,7 +519,7 @@ void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
     Ndm = N[1];
     *Ngparts = (with_hydro ? N[GAS] : 0) + N[DM] + (with_stars ? N[STAR] : 0);
     if (posix_memalign((void*)gparts, gpart_align,
-		       *Ngparts * sizeof(struct gpart)) != 0)
+                       *Ngparts * sizeof(struct gpart)) != 0)
       error("Error while allocating memory for gravity particles");
     bzero(*gparts, *Ngparts * sizeof(struct gpart));
   }
@@ -553,25 +553,25 @@ void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
     switch (ptype) {
 
       case GAS:
-	if (with_hydro) {
-	  Nparticles = *Ngas;
-	  hydro_read_particles(*parts, list, &num_fields);
-	}
+        if (with_hydro) {
+          Nparticles = *Ngas;
+          hydro_read_particles(*parts, list, &num_fields);
+        }
         break;
 
       case DM:
-	if (with_gravity) {
-	  Nparticles = Ndm;
-	  darkmatter_read_particles(*gparts, list, &num_fields);
-	}
+        if (with_gravity) {
+          Nparticles = Ndm;
+          darkmatter_read_particles(*gparts, list, &num_fields);
+        }
         break;
 
       case STAR:
         if (with_stars) {
-	  Nparticles = *Nstars;
-	  star_read_particles(*sparts, list, &num_fields);
-	}
-	break;
+          Nparticles = *Nstars;
+          star_read_particles(*sparts, list, &num_fields);
+        }
+        break;
 
       default:
         message("Particle Type %d not yet supported. Particles ignored", ptype);
@@ -851,9 +851,9 @@ void write_output_parallel(struct engine* e, const char* baseName,
         break;
 
       case STAR:
-	Nparticles = Nstars;
-	star_write_particles(sparts, list, &num_fields);
-	break;
+        Nparticles = Nstars;
+        star_write_particles(sparts, list, &num_fields);
+        break;
 
       default:
         error("Particle Type %d not yet supported. Aborting", ptype);
@@ -864,7 +864,7 @@ void write_output_parallel(struct engine* e, const char* baseName,
       writeArray(e, h_grp, fileName, xmfFile, partTypeGroupName, list[i],
                  Nparticles, N_total[ptype], mpi_rank, offset[ptype],
                  internal_units, snapshot_units);
-    
+
     /* Free temporary array */
     if (dmparts) {
       free(dmparts);
diff --git a/src/parallel_io.h b/src/parallel_io.h
index 3f7395b8c17aaee8654d3b3f61e78d35cd27cb61..e4cb9f5976bc0f5b55207a7422597a05feaa3d5e 100644
--- a/src/parallel_io.h
+++ b/src/parallel_io.h
@@ -36,11 +36,11 @@
 
 void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
                       double dim[3], struct part** parts, struct gpart** gparts,
-                      struct spart** sparts, size_t* Ngas, size_t* Ngparts, 
-		      size_t* Nsparts, int* periodic, int* flag_entropy, 
-		      int with_hydro, int with_gravity, int with_stars,
-		      int mpi_rank, int mpi_size,  MPI_Comm comm, MPI_Info info, 
-		      int dry_run);
+                      struct spart** sparts, size_t* Ngas, size_t* Ngparts,
+                      size_t* Nsparts, int* periodic, int* flag_entropy,
+                      int with_hydro, int with_gravity, int with_stars,
+                      int mpi_rank, int mpi_size, MPI_Comm comm, MPI_Info info,
+                      int dry_run);
 
 void write_output_parallel(struct engine* e, const char* baseName,
                            const struct UnitSystem* internal_units,