diff --git a/xorg-cf-files.spec b/xorg-cf-files.spec
index cb72218..ae242e2 100644
--- a/xorg-cf-files.spec
+++ b/xorg-cf-files.spec
@@ -108,7 +108,7 @@ cat > host.def << EOF
 #endif
 #ifdef  RiscV64Architecture
 #undef  DefaultGcc2RiscV64Opt
-#define DefaultGcc2RiscV64Opt   $RPM_OPT_FLAGS -fno-strict-aliasing
+#define DefaultGcc2RiscV64Opt   -O2 -Wall -fno-strict-aliasing
 #endif
 EOF