diff --git a/src/components/Controls/Base.vue b/src/components/Controls/Base.vue
index 97b14c2e..df05f384 100644
--- a/src/components/Controls/Base.vue
+++ b/src/components/Controls/Base.vue
@@ -67,7 +67,10 @@ export default {
       return this.placeholder || this.df.placeholder;
     },
     isReadOnly() {
-      return this.readOnly || this.df.readOnly;
+      if (this.readOnly != null) {
+        return this.readOnly;
+      }
+      return this.df.readOnly;
     }
   },
   methods: {