diff --git a/libocxl.spec b/libocxl.spec
index a56c412..6b04de1 100644
--- a/libocxl.spec
+++ b/libocxl.spec
@@ -49,6 +49,7 @@ developing applications that use %{name}.
 %make_install PREFIX=%{_prefix}
 
 %check
+%undefine _auto_set_build_flags
 make testobj/unittests V=1