diff --git a/src/action/generator.go b/src/action/generator.go
index b84f7d49..b282c7be 100644
--- a/src/action/generator.go
+++ b/src/action/generator.go
@@ -23,7 +23,7 @@ func Generate(files []string, fieldsToExportStr, format, table string) (lines []
 
 	count := 0
 	if strings.ToLower(filepath.Ext(files[1])) == "."+constant.FormatProto { //gen from protobuf
-		buf, pth := gen.GenerateFromProtobuf(files[0])
+		buf, pth := gen.GenerateFromProtobuf(files[1])
 
 		if vari.Verbose {
 			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("protobuf_path", pth))