diff --git a/cmd/cmd.go b/cmd/cmd.go
index 8a2d5d24a..279bb84d3 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -83,5 +83,6 @@ func versionSuffix(value string) string {
 }
 
 func isSubpackage(rootPath, targetPath string) bool {
-	return strings.HasSuffix(workDir, rootPath) || strings.HasPrefix(rootPath, targetPath)
+	return strings.HasSuffix(strings.Replace(workDir, "\\", "/", -1), rootPath) ||
+		strings.HasPrefix(rootPath, targetPath)
 }
diff --git a/cmd/gen.go b/cmd/gen.go
index 3b31516d4..5e067b7a8 100644
--- a/cmd/gen.go
+++ b/cmd/gen.go
@@ -62,8 +62,7 @@ func runGen(ctx *cli.Context) {
 	for _, p := range imports {
 		p = doc.GetProjectPath(p)
 		// Skip subpackage(s) of current project.
-		if strings.HasSuffix(strings.Replace(workDir, "\\", "/", -1), p) ||
-			strings.HasPrefix(p, targetPath) {
+		if isSubpackage(p, targetPath) {
 			continue
 		}