diff --git a/cmake/QtBuild.cmake b/cmake/QtBuild.cmake
index 48d755450f9..a3b92d620b3 100644
--- a/cmake/QtBuild.cmake
+++ b/cmake/QtBuild.cmake
@@ -2445,7 +2445,7 @@ function(add_qt_test name)
             endforeach()
 
             if (builtin_files)
-                add_qt_resource(${name} "testdata"
+                add_qt_resource(${name} "${name}_testdata_builtin"
                     PREFIX "/"
                     FILES ${builtin_files}
                     BASE ${CMAKE_CURRENT_SOURCE_DIR})