diff --git a/Makefile.inc1 b/Makefile.inc1
index c27c446b259..415755d565c 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1936,7 +1936,7 @@ native-xtools: .PHONY
     ${_clang} \
     sbin/md5 \
     sbin/sysctl \
-    gnu/usr.bin/diff \
+    usr.bin/diff \
     usr.bin/awk \
     usr.bin/basename \
     usr.bin/bmake \