diff --git a/docker/docker.go b/docker/docker.go
index 80467529..9fa572bb 100644
--- a/docker/docker.go
+++ b/docker/docker.go
@@ -71,7 +71,7 @@ func BuildDockerImage(ctx context.Context, dockerfile string, tags []string, pus
 			return err
 		}
 		if dockerLogLine.Stream != "" {
-			fmt.Printf(dockerLogLine.Stream)
+			fmt.Printf("%s", dockerLogLine.Stream)
 		}
 		if dockerLogLine.Aux != nil {
 			fmt.Printf("Image ID: %s\n", dockerLogLine.Aux.ID)