diff --git a/tools/Makefile b/tools/Makefile
index 9389e1f..6c1dfe0 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -92,7 +92,7 @@ ioemu-dir-find:
 		if [ ! -d ioemu-remote ]; then \
 			rm -rf ioemu-remote ioemu-remote.tmp; \
 			mkdir ioemu-remote.tmp; rmdir ioemu-remote.tmp; \
-			$(GIT) clone $(CONFIG_QEMU) ioemu-remote.tmp; \
+			$(GIT) clone --depth=1 $(CONFIG_QEMU) ioemu-remote.tmp; \
 			if [ "$(QEMU_TAG)" ]; then			\
 				cd ioemu-remote.tmp;			\
 				$(GIT) branch -D dummy >/dev/null 2>&1 ||:; \