diff --git a/flex.spec b/flex.spec
index 418f539..c07eec3 100644
--- a/flex.spec
+++ b/flex.spec
@@ -76,7 +76,7 @@ autoreconf -fi
 %if 0%{?do_profiling}
   make %{?_smp_mflags} CFLAGS="%{optflags} %{cflags_profile_generate}" V=1
   # do not run profiling in parallel for reproducible builds (boo#1040589 boo#1102408)
-  make %{?_smp_mflags} CFLAGS="%{optflags} %{cflags_profile_generate}" check
+  make CFLAGS="%{optflags} %{cflags_profile_generate}" check
   make %{?_smp_mflags} clean
   make %{?_smp_mflags} CFLAGS="%{optflags} %{cflags_profile_feedback}" V=1
 %else