diff --git a/src/parallel_io.c b/src/parallel_io.c
index 0634a56d3fa2daf20571c23c454a4774fb47a16f..5ea4f6a6543016e945d36989ad3ed18ef59e18b0 100644
--- a/src/parallel_io.c
+++ b/src/parallel_io.c
@@ -183,7 +183,8 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
                        int mpi_rank, long long offset, char* part_c,
                        struct UnitSystem* us,
                        enum UnitConversionFactor convFactor) {
-  hid_t h_data = 0, h_err = 0, h_memspace = 0, h_filespace = 0, h_plist_id = 0, h_prop = 0;
+  hid_t h_data = 0, h_err = 0, h_memspace = 0, h_filespace = 0, h_plist_id = 0,
+        h_prop = 0;
   hsize_t shape[2], shape_total[2], offsets[2], chunk_shape[2];
   void* temp = 0;
   int i = 0, rank = 0;
@@ -267,7 +268,8 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
   }
 
   /* Create dataset */
-  h_data = H5Dcreate(grp, name, hdf5Type(type), h_filespace, H5P_DEFAULT, h_prop, H5P_DEFAULT);
+  h_data = H5Dcreate(grp, name, hdf5Type(type), h_filespace, H5P_DEFAULT,
+                     h_prop, H5P_DEFAULT);
   if (h_data < 0) {
     error("Error while creating dataset '%s'.", name);
   }
@@ -528,7 +530,8 @@ void write_output_parallel(struct engine* e, struct UnitSystem* us,
 
   /* Open header to write simulation properties */
   /* message("Writing runtime parameters..."); */
-  h_grp = H5Gcreate(h_file, "/RuntimePars", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+  h_grp =
+      H5Gcreate(h_file, "/RuntimePars", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
   if (h_grp < 0) error("Error while creating runtime parameters group\n");
 
   /* Write the relevant information */
@@ -566,7 +569,7 @@ void write_output_parallel(struct engine* e, struct UnitSystem* us,
   writeCodeDescription(h_file);
 
   /* Print the SPH parameters */
-  h_grpsph = H5Gcreate(h_file, "/SPH" ,H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+  h_grpsph = H5Gcreate(h_file, "/SPH", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
   if (h_grpsph < 0) error("Error while creating SPH group");
   writeSPHflavour(h_grpsph);
   H5Gclose(h_grpsph);
@@ -576,7 +579,8 @@ void write_output_parallel(struct engine* e, struct UnitSystem* us,
 
   /* Create SPH particles group */
   /* message("Writing particle arrays..."); */
-  h_grp = H5Gcreate(h_file, "/PartType0", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+  h_grp =
+      H5Gcreate(h_file, "/PartType0", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
   if (h_grp < 0) error("Error while creating particle group.\n");
 
   /* Write particle fields from the particle structure */
diff --git a/src/serial_io.c b/src/serial_io.c
index c6ef6e8c3e8c558a697477958cadf5adc1e87b2c..1bf43a34328739c9a3b77e04c7caefc99d1ca629 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -225,7 +225,7 @@ void prepareArray(hid_t grp, char* fileName, FILE* xmfFile, char* name,
 
   /* Create dataset */
   h_data = H5Dcreate(grp, name, hdf5Type(type), h_space, H5P_DEFAULT, h_prop,
-		     H5P_DEFAULT);
+                     H5P_DEFAULT);
   if (h_data < 0) {
     error("Error while creating dataspace '%s'.", name);
   }
@@ -586,7 +586,8 @@ void write_output_serial(struct engine* e, struct UnitSystem* us, int mpi_rank,
 
     /* Open header to write simulation properties */
     /* message("Writing runtime parameters..."); */
-    h_grp = H5Gcreate(h_file, "/RuntimePars", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    h_grp = H5Gcreate(h_file, "/RuntimePars", H5P_DEFAULT, H5P_DEFAULT,
+                      H5P_DEFAULT);
     if (h_grp < 0) error("Error while creating runtime parameters group\n");
 
     /* Write the relevant information */
@@ -634,7 +635,8 @@ void write_output_serial(struct engine* e, struct UnitSystem* us, int mpi_rank,
 
     /* Create SPH particles group */
     /* message("Writing particle arrays..."); */
-    h_grp = H5Gcreate(h_file, "/PartType0", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    h_grp =
+        H5Gcreate(h_file, "/PartType0", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
     if (h_grp < 0) error("Error while creating particle group.\n");
 
     /* Close particle group */