diff --git a/src/common_io.c b/src/common_io.c
index 3133c64f45df7d2ef3711f375fdd318b154d7919..bce2319fe9a1cc847fe806b0a978eeb6a4714893 100644
--- a/src/common_io.c
+++ b/src/common_io.c
@@ -45,8 +45,8 @@
 #include "kernel.h"
 #include "version.h"
 
-const char *particle_type_names[NUM_PARTICLE_TYPES] = {
-  "Gas", "DM", "Boundary", "Dummy", "Stars", "BH" };
+const char* particle_type_names[NUM_PARTICLE_TYPES] = {
+    "Gas", "DM", "Boundary", "Dummy", "Star", "BH"};
 
 /**
  * @brief Converts a C data type to the HDF5 equivalent.
@@ -434,14 +434,12 @@ void writeXMFoutputfooter(FILE* xmfFile, int output, float time) {
   fclose(xmfFile);
 }
 
-
 void writeXMFgroupheader(FILE* xmfFile, char* hdfFileName, size_t N,
-			 enum PARTICLE_TYPE ptype) {
+                         enum PARTICLE_TYPE ptype) {
   fprintf(xmfFile, "\n<Grid Name=\"%s\" GridType=\"Uniform\">\n",
-	  particle_type_names[ptype]);
+          particle_type_names[ptype]);
   fprintf(xmfFile,
-          "<Topology TopologyType=\"Polyvertex\" Dimensions=\"%zi\"/>\n",
-          N);
+          "<Topology TopologyType=\"Polyvertex\" Dimensions=\"%zi\"/>\n", N);
   fprintf(xmfFile, "<Geometry GeometryType=\"XYZ\">\n");
   fprintf(xmfFile,
           "<DataItem Dimensions=\"%zi 3\" NumberType=\"Double\" "
@@ -452,11 +450,10 @@ void writeXMFgroupheader(FILE* xmfFile, char* hdfFileName, size_t N,
 }
 
 void writeXMFgroupfooter(FILE* xmfFile, enum PARTICLE_TYPE ptype) {
-  fprintf(xmfFile, "</Grid> <!-- parttype=%s -->\n", particle_type_names[ptype]);
+  fprintf(xmfFile, "</Grid> <!-- parttype=%s -->\n",
+          particle_type_names[ptype]);
 }
 
-
-
 /**
  * @brief Writes the lines corresponding to an array of the HDF5 output
  *
@@ -470,7 +467,7 @@ void writeXMFgroupfooter(FILE* xmfFile, enum PARTICLE_TYPE ptype) {
  * @todo Treat the types in a better way.
  */
 void writeXMFline(FILE* xmfFile, char* fileName, char* partTypeGroupName,
-		  char* name, size_t N, int dim, enum DATA_TYPE type) {
+                  char* name, size_t N, int dim, enum DATA_TYPE type) {
   fprintf(xmfFile,
           "<Attribute Name=\"%s\" AttributeType=\"%s\" Center=\"Node\">\n",
           name, dim == 1 ? "Scalar" : "Vector");
diff --git a/src/common_io.h b/src/common_io.h
index 6cc79ad51809d461b188003247e8cf021e3cf0fe..4ad0c6fb754c4288a0c731e2b1e2392998719d52 100644
--- a/src/common_io.h
+++ b/src/common_io.h
@@ -70,7 +70,7 @@ enum PARTICLE_TYPE {
   NUM_PARTICLE_TYPES
 };
 
-extern const char *particle_type_names[];
+extern const char* particle_type_names[];
 
 #define FILENAME_BUFFER_SIZE 150
 #define PARTICLE_GROUP_BUFFER_SIZE 20
@@ -100,10 +100,10 @@ FILE* prepareXMFfile();
 void writeXMFoutputheader(FILE* xmfFile, char* hdfFileName, float time);
 void writeXMFoutputfooter(FILE* xmfFile, int outputCount, float time);
 void writeXMFgroupheader(FILE* xmfFile, char* hdfFileName, size_t N,
-			 enum PARTICLE_TYPE ptype);
+                         enum PARTICLE_TYPE ptype);
 void writeXMFgroupfooter(FILE* xmfFile, enum PARTICLE_TYPE ptype);
 void writeXMFline(FILE* xmfFile, char* fileName, char* partTypeGroupName,
-		  char* name, size_t N, int dim, enum DATA_TYPE type);
+                  char* name, size_t N, int dim, enum DATA_TYPE type);
 
 void writeCodeDescription(hid_t h_file);
 void writeSPHflavour(hid_t h_file);
diff --git a/src/serial_io.c b/src/serial_io.c
index fe0b0def9e6181ba68c078b6bec14b6b9622ef4e..c0421464a9455dcddb7376c512ec63ce25817344 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -609,12 +609,12 @@ void write_output_serial(struct engine* e, struct UnitSystem* us, int mpi_rank,
   FILE* xmfFile = 0;
 
   /* Number of particles of each type */
-  //const size_t Ndm = Ntot - Ngas;
+  // const size_t Ndm = Ntot - Ngas;
 
   /* MATTHIEU: Temporary fix to preserve master */
-  const size_t Ndm = Ntot > 0 ? Ntot - Ngas: 0;
+  const size_t Ndm = Ntot > 0 ? Ntot - Ngas : 0;
   /* MATTHIEU: End temporary fix */
-  
+
   /* File name */
   char fileName[FILENAME_BUFFER_SIZE];
   snprintf(fileName, FILENAME_BUFFER_SIZE, "output_%03i.hdf5", outputCount);
diff --git a/src/single_io.c b/src/single_io.c
index 6f6d1d4913c0ff89e8e4aad215baa951d8a43913..e3231d56de6012e207d6c7c74e7cadd6f18ee326 100644
--- a/src/single_io.c
+++ b/src/single_io.c
@@ -138,7 +138,8 @@ void readArrayBackEnd(hid_t grp, char* name, enum DATA_TYPE type, int N,
  * @param grp The group in which to write.
  * @param fileName The name of the file in which the data is written
  * @param xmfFile The FILE used to write the XMF description
- * @param partTypeGroupName The name of the group containing the particles in the HDF5 file.
+ * @param partTypeGroupName The name of the group containing the particles in
+ *the HDF5 file.
  * @param name The name of the array to write.
  * @param type The #DATA_TYPE of the array.
  * @param N The number of particles to write.
@@ -155,9 +156,9 @@ void readArrayBackEnd(hid_t grp, char* name, enum DATA_TYPE type, int N,
  * Calls #error() if an error occurs.
  */
 void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile,
-		       char* partTypeGroupName, char* name,
-                       enum DATA_TYPE type, int N, int dim, char* part_c,
-                       size_t partSize, struct UnitSystem* us,
+                       char* partTypeGroupName, char* name, enum DATA_TYPE type,
+                       int N, int dim, char* part_c, size_t partSize,
+                       struct UnitSystem* us,
                        enum UnitConversionFactor convFactor) {
   hid_t h_data = 0, h_err = 0, h_space = 0, h_prop = 0;
   void* temp = 0;
@@ -283,7 +284,8 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile,
  * @param fileName The name of the file in which the data is written
  * @param xmfFile The FILE used to write the XMF description
  * @param name The name of the array to write.
- * @param partTypeGroupName The name of the group containing the particles in the HDF5 file.
+ * @param partTypeGroupName The name of the group containing the particles in
+ *the HDF5 file.
  * @param type The #DATA_TYPE of the array.
  * @param N The number of particles to write.
  * @param dim The dimension of the data (1 for scalar, 3 for vector)
@@ -297,10 +299,12 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile,
  * @param convFactor The UnitConversionFactor for this array
  *
  */
-#define writeArray(grp, fileName, xmfFile, partTypeGroupName, name, type, N,   \
-		   dim, part, N_total, mpi_rank, offset, field, us, convFactor)\
+#define writeArray(grp, fileName, xmfFile, partTypeGroupName, name, type, N,  \
+                   dim, part, N_total, mpi_rank, offset, field, us,           \
+                   convFactor)                                                \
   writeArrayBackEnd(grp, fileName, xmfFile, partTypeGroupName, name, type, N, \
-		    dim, (char*)(&(part[0]).field), sizeof(part[0]), us, convFactor)
+                    dim, (char*)(&(part[0]).field), sizeof(part[0]), us,      \
+                    convFactor)
 
 /* Import the right hydro definition */
 #include "hydro_io.h"
@@ -478,10 +482,10 @@ void write_output_single(struct engine* e, struct UnitSystem* us) {
   static int outputCount = 0;
 
   /* Number of particles of each type */
-  //const size_t Ndm = Ntot - Ngas;
+  // const size_t Ndm = Ntot - Ngas;
 
   /* MATTHIEU: Temporary fix to preserve master */
-  const size_t Ndm = Ntot > 0 ? Ntot - Ngas: 0;
+  const size_t Ndm = Ntot > 0 ? Ntot - Ngas : 0;
   /* MATTHIEU: End temporary fix */
 
   long long N_total[NUM_PARTICLE_TYPES] = {Ngas, Ndm, 0};
@@ -590,8 +594,8 @@ void write_output_single(struct engine* e, struct UnitSystem* us) {
     switch (ptype) {
 
       case GAS:
-        hydro_write_particles(h_grp, fileName, partTypeGroupName, 
-			      xmfFile, Ngas, Ngas, 0, 0, parts, us);
+        hydro_write_particles(h_grp, fileName, partTypeGroupName, xmfFile, Ngas,
+                              Ngas, 0, 0, parts, us);
         break;
 
       case DM:
@@ -605,8 +609,8 @@ void write_output_single(struct engine* e, struct UnitSystem* us) {
         collect_dm_gparts(gparts, Ntot, dmparts, Ndm);
 
         /* Write DM particles */
-        darkmatter_write_particles(h_grp, fileName, partTypeGroupName,
-				   xmfFile, Ndm, Ndm, 0, 0, dmparts, us);
+        darkmatter_write_particles(h_grp, fileName, partTypeGroupName, xmfFile,
+                                   Ndm, Ndm, 0, 0, dmparts, us);
 
         /* Free temporary array */
         free(dmparts);