diff -r b72c6db6890b -r 5dc02b23752f tools/designer/src/lib/uilib/properties.cpp
--- a/tools/designer/src/lib/uilib/properties.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/tools/designer/src/lib/uilib/properties.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -655,16 +655,21 @@
     case QVariant::Brush:
         dom_prop->setElementBrush(afb->saveBrush(qvariant_cast<QBrush>(v)));
         break;
-    default:
+    default: {
+        const bool hadAttributeStdset = dom_prop->hasAttributeStdset();
+        const bool attributeStdset = dom_prop->attributeStdset();
         delete dom_prop;
         if (afb->resourceBuilder()->isResourceType(v)) {
             dom_prop = afb->resourceBuilder()->saveResource(afb->workingDirectory(), v);
-            if (dom_prop)
+            if (dom_prop) {
                 dom_prop->setAttributeName(pname);
+                if (hadAttributeStdset)
+                    dom_prop->setAttributeStdset(attributeStdset);
+            }
             break;
         }
         uiLibWarning(msgCannotWriteProperty(pname, v));
-        return 0;
+    } return 0;
     }
     return dom_prop;
 }