diff --git a/src/serial_io.c b/src/serial_io.c
index 57289c15fbb21c693e7aa1f068045b19e898ce31..916d138e61193abe092d42a79fafacac63c0c4f6 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -251,7 +251,7 @@ void prepare_array_serial(const struct engine* e, hid_t grp, char* fileName,
     error("Error while creating data space for field '%s'.", props.name);
 
   /* Decide what chunk size to use based on compression */
-  int log2_chunk_size = e->snapshot_compression > 0 ? 12 : 18; 
+  int log2_chunk_size = e->snapshot_compression > 0 ? 12 : 18;
 
   int rank = 0;
   hsize_t shape[2];