diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index e106f828088..4ef26740a80 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -16,7 +16,7 @@ add_qtc_library(QmlDesignerUtils STATIC
   DEPENDS
     Qt5::Gui
   DEFINES QMLDESIGNERUTILS_LIBRARY
-  PUBLIC_DEFINES $<$<BOOL:QTC_STATIC_BUILD>:QMLDESIGNER_STATIC_LIBRARY>
+  PUBLIC_DEFINES $<$<BOOL:${QTC_STATIC_BUILD}>:QMLDESIGNER_STATIC_LIBRARY>
   PUBLIC_INCLUDES ${CMAKE_CURRENT_LIST_DIR}/utils
   SOURCES_PREFIX ${CMAKE_CURRENT_LIST_DIR}/utils
   SOURCES