diff --git a/cmake/cpp.cmake b/cmake/cpp.cmake
index b099b35ab3..6f5788e851 100644
--- a/cmake/cpp.cmake
+++ b/cmake/cpp.cmake
@@ -176,6 +176,10 @@ function(ortools_cxx_test)
     "${multiValueArgs}"
     ${ARGN}
   )
+  if(NOT BUILD_TESTING)
+    return()
+  endif()
+
   if(NOT TEST_NAME)
     message(FATAL_ERROR "no NAME provided")
   endif()