diff --git a/Makefile b/Makefile
index d8a8dad09..dc57cf440 100644
--- a/Makefile
+++ b/Makefile
@@ -475,7 +475,7 @@ $(BUILD_DIR)/.root:
 	rsync -a $(RSYNC_VCS_EXCLUSIONS) \
 		--chmod=Du+w --exclude .empty --exclude '*~' \
 		$(TARGET_SKELETON)/ $(TARGET_DIR)/
-	cp support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
+	$(INSTALL) -m 0644 support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
 	@ln -snf lib $(TARGET_DIR)/$(LIB_SYMLINK)
 	@mkdir -p $(TARGET_DIR)/usr
 	@ln -snf lib $(TARGET_DIR)/usr/$(LIB_SYMLINK)
diff --git a/fs/common.mk b/fs/common.mk
index 9f3262019..30e752470 100644
--- a/fs/common.mk
+++ b/fs/common.mk
@@ -83,7 +83,7 @@ endif
 	echo "$$(ROOTFS_$(2)_CMD)" >> $$(FAKEROOT_SCRIPT)
 	chmod a+x $$(FAKEROOT_SCRIPT)
 	$$(HOST_DIR)/usr/bin/fakeroot -- $$(FAKEROOT_SCRIPT)
-	cp support/misc/target-dir-warning.txt $$(TARGET_DIR_WARNING_FILE)
+	$(INSTALL) -m 0644 support/misc/target-dir-warning.txt $$(TARGET_DIR_WARNING_FILE)
 	-@rm -f $$(FAKEROOT_SCRIPT) $$(FULL_DEVICE_TABLE)
 ifneq ($$(ROOTFS_$(2)_COMPRESS_CMD),)
 	$$(ROOTFS_$(2)_COMPRESS_CMD) $$@ > $$@$$(ROOTFS_$(2)_COMPRESS_EXT)