diff --git a/srcpkgs/chmlib/patches/arm-32.patch b/srcpkgs/chmlib/patches/arm-ppc-32.patch
similarity index 79%
rename from srcpkgs/chmlib/patches/arm-32.patch
rename to srcpkgs/chmlib/patches/arm-ppc-32.patch
index c9a978d9ff..fba2294603 100644
--- a/srcpkgs/chmlib/patches/arm-32.patch
+++ b/srcpkgs/chmlib/patches/arm-ppc-32.patch
@@ -5,7 +5,7 @@
  /* MIPS         */
  /* PPC          */
 -#elif __i386__ || __sun || __sgi || __ppc__
-+#elif __i386__ || __sun || __sgi || __ppc__ || __arm__
++#elif __i386__ || __sun || __sgi || (__powerpc__ && !defined(__powerpc64__)) || __arm__
  typedef unsigned char           UChar;
  typedef short                   Int16;
  typedef unsigned short          UInt16;