diff --git a/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c b/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
index 784859b0a2..58628178de 100644
--- a/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
+++ b/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
@@ -2908,7 +2908,7 @@ static JSBool js_include(JSContext * cx, JSObject * obj, uintN argc, jsval * arg
 {
 	char *code;
 	if (argc > 0 && (code = JS_GetStringBytes(JS_ValueToString(cx, argv[0])))) {
-		if (eval_some_js(code, cx, obj, rval) < 0) {
+		if (eval_some_js(code, cx, obj, rval) <= 0) {
 			return JS_FALSE;
 		}
 		return JS_TRUE;