diff --git a/engine/src/main/battlecode/world/GameWorld.java b/engine/src/main/battlecode/world/GameWorld.java
index f7e47de9..e7e0926b 100644
--- a/engine/src/main/battlecode/world/GameWorld.java
+++ b/engine/src/main/battlecode/world/GameWorld.java
@@ -710,11 +710,11 @@ private void flipRubbleVertically() {
     public void causeVortexGlobal() {
         int changeIdx = 0;
         switch (this.gameMap.getSymmetry()) {
-            case HORIZONTAL:
+            case VERTICAL:
                 flipRubbleVertically();
                 changeIdx = 2;
                 break;
-            case VERTICAL:
+            case HORIZONTAL:
                 flipRubbleHorizontally();
                 changeIdx = 1;
                 break;