diff --git a/dist/RequestValidator.js b/dist/RequestValidator.js
index b979640..6a1bfe2 100644
--- a/dist/RequestValidator.js
+++ b/dist/RequestValidator.js
@@ -102,8 +102,17 @@ function checkSchema(a) {
     },
     getSearchableFieldsOfTypeString(b) {
       var c = b.filter(function (b) {
-        var c = a.path(b) instanceof mongoose.Schema.Types.String;
-        return c || void 0, c;
+        var c = a.path(b);
+        if (c instanceof mongoose.Schema.Types.String) return !0;
+        var d = c instanceof mongoose.Schema.Types.Array,
+          e = c.caster && c.caster instanceof mongoose.Schema.Types.String;
+        return (
+          !!(d && e) ||
+          (console.warn(
+            `schema.path(${b}) is not of type String or String[] - searchableField ${b} has been removed`
+          ),
+          !1)
+        );
       });
       return c;
     },