diff --git a/builder/parser/parser.go b/builder/parser/parser.go
index 24dee2abf..9c70cdce6 100644
--- a/builder/parser/parser.go
+++ b/builder/parser/parser.go
@@ -325,7 +325,8 @@ func ParseImageName(s string) (i Image) {
 	}
 	i.name = name
 	i.Tag = sources.GetTagFromNamedRef(name)
-	if strings.Contains(s, ":") {
+	imageNameList := strings.Split(s, "/")
+	if strings.Contains(imageNameList[len(imageNameList)-1], ":") {
 		i.Name = s[:len(s)-(len(i.Tag)+1)]
 	} else {
 		i.Name = s