diff --git a/john.spec b/john.spec
index 86aba2b..4c6480a 100644
--- a/john.spec
+++ b/john.spec
@@ -38,6 +38,9 @@ cp -a src src-mmx
 %ifarch ppc
 %define target_non_mmx linux-ppc32
 %endif
+%ifarch ppc64
+%define target_non_mmx linux-ppc64
+%endif
 
 export CFLAGS="-c ${RPM_OPT_FLAGS} -DJOHN_SYSTEMWIDE=1"