diff --git a/generate/swaggergen/g_docs.go b/generate/swaggergen/g_docs.go
index c008f03..ae8f297 100644
--- a/generate/swaggergen/g_docs.go
+++ b/generate/swaggergen/g_docs.go
@@ -822,7 +822,7 @@ func getparams(str string) []string {
 	var start bool
 	var r []string
 	var quoted int8
-	for _, c := range []rune(str) {
+	for _, c := range str {
 		if unicode.IsSpace(c) && quoted == 0 {
 			if !start {
 				continue