diff --git a/src/main/java/net/vulkanmod/mixin/WindowMixin.java b/src/main/java/net/vulkanmod/mixin/WindowMixin.java
index 9c8c12e96..dfa24502e 100644
--- a/src/main/java/net/vulkanmod/mixin/WindowMixin.java
+++ b/src/main/java/net/vulkanmod/mixin/WindowMixin.java
@@ -80,6 +80,15 @@ public void setVsync(boolean vsync) {
         Vulkan.setVsync(vsync);
     }
 
+    /**
+     * @author
+     */
+    @Overwrite
+    public void toggleFullscreen() {
+        this.fullscreen = !this.fullscreen;
+        Options.fullscreenDirty = true;
+    }
+
     /**
      * @author
      */