diff --git a/mozilla/configure.in b/mozilla/configure.in
index c295236fe0b..0496e10a4eb 100644
--- a/mozilla/configure.in
+++ b/mozilla/configure.in
@@ -1133,7 +1133,7 @@ case "$OS_TEST" in
     CPU_ARCH=x86
     ;;
 
-powerpc*)
+powerpc* | ppc)
     CPU_ARCH=ppc
     ;;