diff --git a/packages/web-theme/src/publish/control-layout/control-layout-model-repository-tree-layout.ts b/packages/web-theme/src/publish/control-layout/control-layout-model-repository-tree-layout.ts
index 9e1e1970bf5ba7ecdd90aba03b1651c2c44bad0d..6dc2caf357062b1acd13721527a473cb666a915b 100644
--- a/packages/web-theme/src/publish/control-layout/control-layout-model-repository-tree-layout.ts
+++ b/packages/web-theme/src/publish/control-layout/control-layout-model-repository-tree-layout.ts
@@ -55,6 +55,7 @@ export default {
           "itemStyle": "DEFAULT",
           "itemType": "CTRLPOS",
           "layoutPos": {
+            "grow": 1,
             "shrink": 1,
             "layout": "FLEX"
           },
@@ -70,6 +71,7 @@ export default {
       "itemStyle": "DEFAULT",
       "itemType": "CONTAINER",
       "layoutPos": {
+        "grow": 1,
         "shrink": 1,
         "layout": "FLEX"
       },