diff --git a/libreoffice.spec b/libreoffice.spec
index 9a5d47f..f657fda 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -1026,7 +1026,7 @@ export PATH=$QT4DIR/bin:$PATH
 #use the RPM_OPT_FLAGS but remove the OOo overridden ones
 for i in $RPM_OPT_FLAGS; do
         case "$i" in
-                -O?|-pipe|-Wall|-g|-fexceptions) continue;;
+                -pipe|-Wall|-g|-fexceptions) continue;;
         esac
         ARCH_FLAGS="$ARCH_FLAGS $i"
 done