diff --git a/Source/CTest/Curl/ldap.c b/Source/CTest/Curl/ldap.c
index 4b2393fcb8..5e26e4bc72 100644
--- a/Source/CTest/Curl/ldap.c
+++ b/Source/CTest/Curl/ldap.c
@@ -67,6 +67,7 @@ static void *liblber = NULL;
 
 static void DynaOpen(void)
 {
+  (void)liblber;
 #if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
   if (libldap == NULL) {
     /*