diff --git a/src/libs/utils/layoutbuilder.cpp b/src/libs/utils/layoutbuilder.cpp
index 3171ae210fa..604711da977 100644
--- a/src/libs/utils/layoutbuilder.cpp
+++ b/src/libs/utils/layoutbuilder.cpp
@@ -60,7 +60,8 @@ LayoutBuilder::LayoutBuilder(QLayout *layout)
 
 LayoutBuilder::~LayoutBuilder()
 {
-    flushPendingFormItems();
+    if (m_formLayout)
+        flushPendingFormItems();
 }
 
 LayoutBuilder &LayoutBuilder::startNewRow()