diff --git a/jre_lwjgl3glfw/src/main/java/org/lwjgl/input/GLFWController.java b/jre_lwjgl3glfw/src/main/java/org/lwjgl/input/GLFWController.java
index 084f412f3..12f615173 100644
--- a/jre_lwjgl3glfw/src/main/java/org/lwjgl/input/GLFWController.java
+++ b/jre_lwjgl3glfw/src/main/java/org/lwjgl/input/GLFWController.java
@@ -50,7 +50,9 @@ public class GLFWController implements Controller{
 
     @Override
     public boolean isButtonPressed(int index) {
-        return (buttonData.get(index) == 1);
+        if(index < 8){
+           return (buttonData.get(index) == 1);
+        }else return false;
     }
 
     @Override