diff --git a/CI/before_script.msvc.sh b/CI/before_script.msvc.sh
index c4d02c5afe..0d77db1d3a 100644
--- a/CI/before_script.msvc.sh
+++ b/CI/before_script.msvc.sh
@@ -1123,6 +1123,7 @@ fi
 if [ -n "${TEST_FRAMEWORK}" ]; then
 	add_cmake_opts -DBUILD_UNITTESTS=ON
 	add_cmake_opts -DBUILD_OPENCS_TESTS=ON
+	add_cmake_opts -DBUILD_TOOL_TESTS=ON
 fi
 
 if [ -n "$ACTIVATE_MSVC" ]; then