diff --git a/acinclude.m4 b/acinclude.m4
index 4f70d870cb..000d3f0bf8 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -237,7 +237,10 @@ else
 			AFS_SYSNAME="ppc_darwin_14"
 			;;
 		powerpc-apple-darwin5.1*)
-			AFS_SYSNAME="ppc_darwin_51"
+			AFS_SYSNAME="ppc_darwin_14"
+			;;
+		powerpc-apple-darwin5.2*)
+			AFS_SYSNAME="ppc_darwin_14"
 			;;
 		sparc-sun-solaris2.5*)
 			AFS_SYSNAME="sun4x_55"