diff --git a/Makefile b/Makefile
index 69994e246..78ea19a1e 100644
--- a/Makefile
+++ b/Makefile
@@ -207,7 +207,7 @@ 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