diff --git a/main.go b/main.go
index b5783d7..01e3710 100644
--- a/main.go
+++ b/main.go
@@ -22,7 +22,8 @@ func main() {
 
 	envFile, err := os.Open(*EnvFilePath)
 	if err != nil {
-		panic(err)
+		fmt.Fprintf(os.Stderr, "could not open file '%s': %s\n", *EnvFilePath, err.(*os.PathError).Err)
+		return
 	}
 	defer envFile.Close()