diff --git a/RevidCLI.go b/RevidCLI.go
index da87e041..0bda9628 100644
--- a/RevidCLI.go
+++ b/RevidCLI.go
@@ -430,7 +430,7 @@ func revidReportActions(pin int) (int, error) {
 	// 	return int(processManager.PriorityLevel), nil
 
 	default:
-		return -1, errors.New("External pin" + pin + " not defined")
+		return -1, errors.New("External pin" + strconv.Itoa(pin) + " not defined")
 	}
 }