Fix #2606 crash on handleGuiChange

mezz · Dec 25, 2021 · 77f06ef · 77f06ef
1 parent 41119d6
commit 77f06ef
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/main/java/mezz/jei/input/mouse/handlers/CombinedUserInputHandler.java b/src/main/java/mezz/jei/input/mouse/handlers/CombinedUserInputHandler.java
@@ -116,8 +116,10 @@ public void handleMouseClickedOut(InputConstants.Key key) {
 	}
 
 	public void handleGuiChange() {
-		Set<InputConstants.Key> keys = this.mousedDown.keySet();
-		keys.forEach(this::handleMouseClickedOut);
+		Set<InputConstants.Key> keys = Set.copyOf(this.mousedDown.keySet());
+		for (InputConstants.Key key : keys) {
+			handleMouseClickedOut(key);
+		}
 		handleDragCanceled();
 	}