diff --git a/projects/mtg/include/DuelLayers.h b/projects/mtg/include/DuelLayers.h
index a0ed8c834..45310d6c1 100644
--- a/projects/mtg/include/DuelLayers.h
+++ b/projects/mtg/include/DuelLayers.h
@@ -12,7 +12,7 @@ class DamageResolverLayer;
 class GuiHandSelf;
 class GuiHandOpponent;
 class GuiCombat;
-class Pos;
+struct Pos;
 
 class DuelLayers {
  protected:
diff --git a/projects/mtg/include/MTGCardInstance.h b/projects/mtg/include/MTGCardInstance.h
index 97391e960..e16f1c1a9 100644
--- a/projects/mtg/include/MTGCardInstance.h
+++ b/projects/mtg/include/MTGCardInstance.h
@@ -20,7 +20,7 @@ class ManaCost;
 class UntapBlockers;
 class CardDescriptor;
 class Counters;
-class Pos;
+struct Pos;
 
 #include <list>
 using namespace std;