diff --git a/lib/roken/snprintf-test.c b/lib/roken/snprintf-test.c
index 6434e1f1f..f55767157 100644
--- a/lib/roken/snprintf-test.c
+++ b/lib/roken/snprintf-test.c
@@ -34,6 +34,7 @@
 #include <config.h>
 #endif
 #include "roken.h"
+#include <limits.h>
 
 RCSID("$Id$");