diff --git a/src/libstrongswan/utils/leak_detective.c b/src/libstrongswan/utils/leak_detective.c
index 93cc027de..0a8789335 100644
--- a/src/libstrongswan/utils/leak_detective.c
+++ b/src/libstrongswan/utils/leak_detective.c
@@ -194,6 +194,7 @@ char *whitelist[] = {
 	"__pthread_setspecific",
 	/* glibc functions */
 	"mktime",
+	"ctime",
 	"__gmtime_r",
 	"localtime_r",
 	"tzset",