diff --git a/src/share/3rdparty/package-manager/auto-setup.cmake b/src/share/3rdparty/package-manager/auto-setup.cmake
index 29a6a23ed97..7305ab8c154 100644
--- a/src/share/3rdparty/package-manager/auto-setup.cmake
+++ b/src/share/3rdparty/package-manager/auto-setup.cmake
@@ -42,7 +42,9 @@ function(qtc_modify_default_install_prefix)
     set_property(CACHE CMAKE_INSTALL_PREFIX PROPERTY VALUE "/tmp")
   endif()
 endfunction()
-cmake_language(DEFER CALL qtc_modify_default_install_prefix)
+if (CMAKE_VERSION GREATER_EQUAL "3.19")
+  cmake_language(DEFER CALL qtc_modify_default_install_prefix)
+endif()
 
 if (EXISTS "${CMAKE_SOURCE_DIR}/QtCreatorPackageManager.cmake")
   include("${CMAKE_SOURCE_DIR}/QtCreatorPackageManager.cmake")