diff --git a/gambit-c.spec b/gambit-c.spec
index fdd6439..e20f3a6 100644
--- a/gambit-c.spec
+++ b/gambit-c.spec
@@ -8,7 +8,7 @@
 
 %if 0%{?el6}
 %ifarch ppc64
-if ! %{with ppc64opt2}
+%if ! %{with ppc64opt2}
 %global optflags %(echo %{optflags} | sed 's/-O2 /-O1 /')
 %endif
 %endif # ppc64