diff --git a/wine.spec b/wine.spec
index dce57da..fa63282 100644
--- a/wine.spec
+++ b/wine.spec
@@ -705,7 +705,7 @@ export CFLAGS="`echo $RPM_OPT_FLAGS | sed -e 's/-Wp,-D_FORTIFY_SOURCE=2//'` -Wno
 export CC="/usr/bin/clang"
 # Fedora's default compiler flags now conflict with what clang supports
 # https://bugzilla.redhat.com/show_bug.cgi?id=1658311
-export CFLAGS="`echo $RPM_OPT_FLAGS | sed -e 's/-fstack-clash-protection//'`"
+export CFLAGS="`echo $CFLAGS | sed -e 's/-fstack-clash-protection//'`"
 %endif
 
 %configure \