diff --git a/ctx.go b/ctx.go
index 8a25fdb6..9172cf0f 100644
--- a/ctx.go
+++ b/ctx.go
@@ -856,6 +856,8 @@ func (ctx *Ctx) SendFile(file string, compress ...bool) error {
 		}
 		sendFileHandler = sendFileFS.NewRequestHandler()
 	}
+	// Keep original path for mutable params
+	ctx.pathOriginal = utils.ImmutableString(ctx.pathOriginal)
 	// Disable compression
 	if len(compress) <= 0 || !compress[0] {
 		// https://github.com/valyala/fasthttp/blob/master/fs.go#L46