diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 8e15e48cb8f8..83714ca1f22b 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -172,7 +172,7 @@ define do_install
 	if [ ! -d '$(DESTDIR_SQ)$2' ]; then		\
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2';	\
 	fi;						\
-	$(INSTALL) $1 '$(DESTDIR_SQ)$2'
+	$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
 endef
 
 install_lib: all_cmd