diff --git a/config/ext.json b/config/ext.json
index 1332a2a0..b25b9c72 100644
--- a/config/ext.json
+++ b/config/ext.json
@@ -165,8 +165,9 @@
     },
     "mbregex": {
         "type": "builtin",
-        "lib-depends": [
-            "onig"
+        "arg-type": "custom",
+        "ext-depends": [
+            "mbstring"
         ]
     },
     "mbstring": {
diff --git a/src/SPC/builder/extension/mbregex.php b/src/SPC/builder/extension/mbregex.php
index 48d15128..6a4d1457 100644
--- a/src/SPC/builder/extension/mbregex.php
+++ b/src/SPC/builder/extension/mbregex.php
@@ -14,4 +14,9 @@ class mbregex extends Extension
     {
         return 'mbstring';
     }
+
+    public function getConfigureArg(): string
+    {
+        return '';
+    }
 }