diff --git a/Makefile b/Makefile
index 6ac7ba6b8..13286eb10 100644
--- a/Makefile
+++ b/Makefile
@@ -210,7 +210,7 @@ endif
 	` ; \
 	printf "CONTAINER_ID=$${CONTAINER_ID}" >> "$(CONTAINER_FILE)" ; \
 	if [[ "attached" -eq $(CONTAINER_RUNMODE) ]] ; then \
-	  $(CONTAINER_COMMAND) attach $${CONTAINER_ID} ; \
+	  $(CONTAINER_COMMAND) attach $${CONTAINER_ID} || : ; \
 	fi
 
 # HELP(start-backend): start yesod-devel instance