@@ -16,11 +16,10 @@
 
 #include "config.h"
 
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
 
 #import "OFURL.h"
 #import "OFString.h"
 #import "OFArray.h"
 #import "OFXMLElement.h"
@@ -135,11 +134,11 @@
 			if ([_scheme isEqual: @"http"])
 				_port = 80;
 			else if ([_scheme isEqual: @"https"])
 				_port = 443;
 			else
-				assert(0);
+				OF_ENSURE(0);
 		}
 
 		if ((UTF8String = tmp) != NULL) {
 			if ((tmp = strchr(UTF8String, '#')) != NULL) {
 				*tmp = '\0';