diff --git a/include/curl/system.h b/include/curl/system.h
index d418e4444..95c72d998 100644
--- a/include/curl/system.h
+++ b/include/curl/system.h
@@ -426,7 +426,7 @@
 
 #elif defined(__GNUC__)
 #  if !defined(__LP64__) && (defined(__ILP32__) || \
-      defined(__i386__) || defined(__ppc__) || defined(__arm__) || \
+      defined(__i386__) || defined(__powerpc__) || defined(__arm__) || \
       defined(__sparc__) || defined(__mips__) || defined(__sh__) || \
       defined(__XTENSA__) || (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4))
 #    define CURL_SIZEOF_LONG           4