diff --git a/exif-read-tool/main_test.go b/exif-read-tool/main_test.go
index b2ac0a7..32fdbf9 100644
--- a/exif-read-tool/main_test.go
+++ b/exif-read-tool/main_test.go
@@ -31,6 +31,8 @@ func TestMain(t *testing.T) {
 	cmd.Stderr = b
 
 	err := cmd.Run()
+	log.PanicIf(err)
+
 	actual := b.String()
 
 	if err != nil {