diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 651e1b98b..9512ea6e6 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1487,9 +1487,9 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=master -P ${CMake_SOURCE_DIR}/Utilities/
     --build-project WarnUnusedUnusedViaUnset
     --build-options "--warn-unused-vars")
   set_tests_properties(WarnUnusedUnusedViaUnset PROPERTIES
-    PASS_REGULAR_EXPRESSION "CMake Warning .*:7 \\(set\\):")
+    PASS_REGULAR_EXPRESSION "CMake Warning .*VariableUnusedViaUnset.CMakeLists.txt:7 \\(set\\):")
   set_tests_properties(WarnUnusedUnusedViaUnset PROPERTIES
-    FAIL_REGULAR_EXPRESSION "CMake Warning .*:5 \\(set\\):")
+    FAIL_REGULAR_EXPRESSION "CMake Warning .*VariableUnusedViaUnset.CMakeLists.txt:5 \\(set\\):")
   list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/WarnUnusedUnusedViaUnset")
 
   add_test(WarnUnusedCliUnused ${CMAKE_CTEST_COMMAND}