diff --git a/forge-game/src/main/java/forge/game/ability/effects/ManaEffect.java b/forge-game/src/main/java/forge/game/ability/effects/ManaEffect.java
index 9f21ff180e1..2ae15da7de5 100644
--- a/forge-game/src/main/java/forge/game/ability/effects/ManaEffect.java
+++ b/forge-game/src/main/java/forge/game/ability/effects/ManaEffect.java
@@ -120,7 +120,7 @@ public class ManaEffect extends SpellAbilityEffect {
                                 throw new RuntimeException("ManaEffect::resolve() /*combo mana*/ - " + p + " color mana choice is empty for " + card.getName());
 
                             if (differentChoice) {
-                                fullOptions = ColorSet.fromMask(fullOptions.getColor() - chosenColor.getColormask());
+                                fullOptions = ColorSet.fromMask(fullOptions.getColor() - chosenColor.getColorMask());
                             }
                             choice = chosenColor.getShortName();
                         }