diff --git a/Makefile b/Makefile
index 2e1c71f59894a1237e25f21b6327a801b6cde940..babe21d8509a774f911d140466e9b1af72ea63e0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 build :
-	docker build --no-cache -t flan_scan .
+	docker build --no-cache -t flan_scan -f Dockerfile .
 
 container_name = flan_$(shell date +'%s')
 start :