diff --git a/src/sparse_sys.c b/src/sparse_sys.c
index d3e97df6..793941bf 100644
--- a/src/sparse_sys.c
+++ b/src/sparse_sys.c
@@ -247,7 +247,7 @@ vector_write(size_t n, const double *v, const char *fn)
     if (fp != NULL) {
         vector_write_stream(n, v, fp);
     }
-    
+
     fclose(fp);
 }