diff --git a/cmd/upload/app/handler4.go b/cmd/upload/app/handler4.go
index 4954d3d..3d8c7f4 100644
--- a/cmd/upload/app/handler4.go
+++ b/cmd/upload/app/handler4.go
@@ -63,7 +63,7 @@ func (a *appController) UploadLink(c *fiber.Ctx) error {
 			models.NewResponse(1, "missing path query parameter", nil))
 	}
 
-	if !strings.HasPrefix(path, "/") {
+	if !strings.HasSuffix(path, "/") {
 		path = path + "/"
 	}
 	if strings.HasPrefix(path, CacheRequestPrefix) {
@@ -110,7 +110,7 @@ func (a *appController) UploadedBytes(c *fiber.Ctx) error {
 			models.NewResponse(1, "missing parent_dir query parameter", nil))
 	}
 
-	if !strings.HasPrefix(parentDir, "/") {
+	if !strings.HasSuffix(parentDir, "/") {
 		parentDir = parentDir + "/"
 	}
 	if strings.HasPrefix(parentDir, CacheRequestPrefix) {
@@ -206,7 +206,7 @@ func (a *appController) UploadChunks(c *fiber.Ctx) error {
 	}
 
 	parentDir := resumableInfo.ParentDir
-	if !strings.HasPrefix(parentDir, "/") {
+	if !strings.HasSuffix(parentDir, "/") {
 		parentDir = parentDir + "/"
 	}
 	if strings.HasPrefix(parentDir, CacheRequestPrefix) {