diff --git a/src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js b/src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js
index 42e9b7a..5aae55f 100644
--- a/src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js
+++ b/src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js
@@ -44,6 +44,9 @@ window.GuiLoadingScreen = class extends GuiScreen {
     }
 
     setProgress(progress) {
+        if (progress < this.progress) {
+            return;
+        }
         this.progress = progress;
     }