diff --git a/include/scan.mk b/include/scan.mk
index 19350b612..7b818e8ab 100644
--- a/include/scan.mk
+++ b/include/scan.mk
@@ -52,7 +52,7 @@ $(TMP_DIR)/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
 $(TARGET_STAMP)::
 	+( \
 		$(NO_TRACE_MAKE) $(FILELIST); \
-		MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) | awk '{print $$1}'); \
+		MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) 2>/dev/null | awk '{print $$1}'); \
 		[ -f "$@.$$MD5SUM" ] || { \
 			rm -f $@.*; \
 			touch $@.$$MD5SUM; \