diff --git a/main.go b/main.go
index 9628053..a5dbef3 100644
--- a/main.go
+++ b/main.go
@@ -104,7 +104,7 @@ func run(c *cli.Context) error {
 			Event: c.String("build.event"),
 		},
 		Commit: Commit{
-			Ref: c.String("commit.sha"),
+			Ref: c.String("commit.ref"),
 		},
 		Config: Config{
 			APIKey:     c.String("api-key"),