diff --git a/test_crypto.c b/test_crypto.c
index a96be12..b29119c 100644
--- a/test_crypto.c
+++ b/test_crypto.c
@@ -374,7 +374,9 @@ ending (void *arg)
 static void
 world (void *arg)
 {
-  static int c++;
+  static int c;
+
+  c++;
   printf ("World!\n");
   wt = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
                                      &world,