diff --git a/Makefile.inc1 b/Makefile.inc1
index 9f411f36368e..334813a913ed 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1017,6 +1017,7 @@ cross-tools:
 .for _tool in \
     gnu/usr.bin/binutils \
     gnu/usr.bin/cc \
+    usr.bin/ar \
     usr.bin/sed \
     usr.bin/xlint/lint1 usr.bin/xlint/lint2 usr.bin/xlint/xlint \
     ${_btxld} \