diff --git a/mkspecs/cmake/Qt5BasicConfig.cmake.in b/mkspecs/cmake/Qt5BasicConfig.cmake.in
index c7a624319dc..9124979344d 100644
--- a/mkspecs/cmake/Qt5BasicConfig.cmake.in
+++ b/mkspecs/cmake/Qt5BasicConfig.cmake.in
@@ -137,6 +137,7 @@ endmacro()
 if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
 !!IF !isEmpty(CMAKE_STATIC_TYPE)
     add_library(Qt5::$${CMAKE_MODULE_NAME} STATIC IMPORTED)
+    set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY IMPORTED_LINK_INTERFACE_LANGUAGES "CXX")
 !!ELSE
     add_library(Qt5::$${CMAKE_MODULE_NAME} SHARED IMPORTED)
 !!ENDIF