diff --git a/install/ui/src/freeipa/widget.js b/install/ui/src/freeipa/widget.js
index 986a3f445..e12734375 100644
--- a/install/ui/src/freeipa/widget.js
+++ b/install/ui/src/freeipa/widget.js
@@ -212,6 +212,14 @@ IPA.widget = function(spec) {
     that.clear = function() {
     };
 
+    /**
+     * Widget post constructor/factory initialization
+     *
+     * Called by builder by default.
+     */
+    that.ctor_init = function() {
+    };
+
     /**
      * Set enabled state.
      * @param {boolean} value - True - enabled; False - disabled
@@ -5998,6 +6006,7 @@ exp.post_op = function(obj, spec, context) {
         nc.container = obj.widgets;
         builder.build('widget', spec.widgets, nc);
     }
+    if (obj.ctor_init) obj.ctor_init();
     return obj;
 };