diff --git a/src/hashtab.c b/src/hashtab.c
index 482d830..a7470ec 100644
--- a/src/hashtab.c
+++ b/src/hashtab.c
@@ -189,13 +189,13 @@
     void
 hash_debug_results(void)
 {
-#ifdef HT_DEBUG
+# ifdef HT_DEBUG
     fprintf(stderr, "\r\n\r\n\r\n\r\n");
     fprintf(stderr, "Number of hashtable lookups: %ld\r\n", hash_count_lookup);
     fprintf(stderr, "Number of perturb loops: %ld\r\n", hash_count_perturb);
     fprintf(stderr, "Percentage of perturb loops: %ld%%\r\n",
 				hash_count_perturb * 100 / hash_count_lookup);
-#endif
+# endif
 }
 #endif