diff --git a/clisp.spec b/clisp.spec
index fd5d5b3..32dd246 100644
--- a/clisp.spec
+++ b/clisp.spec
@@ -172,7 +172,7 @@ else
     CC="gcc"
 fi
 %ifarch s390x
-%{expand:%%global optflags %(echo "%{optflags}"|sed -r -e s/-fstack-protector-strong// -e s/-fstack-clash-protection// -e "s/(-D_FORTIFY_SOURCE)=3/\1=2/")}
+%{expand:%%global optflags %(echo "%{optflags}"|sed -r -e s/-fstack-protector-strong// -e s/-fstack-clash-protection//)}
 %endif
 CC="${CC} -g %{optflags} -fno-strict-aliasing -fPIC -pipe"
 case "$(uname -m)" in