diff --git a/src/components/MoveTable.cpp b/src/components/MoveTable.cpp
index b92cf76..5b654c6 100644
--- a/src/components/MoveTable.cpp
+++ b/src/components/MoveTable.cpp
@@ -351,7 +351,7 @@ std::uint32_t MoveTable::DrawVariations(CMI::HalfMove *m, std::uint32_t line,
 }
 
 void MoveTable::GetMoveXY(CMI::HalfMove* m, double &X, double &Y){
-  if(MovesStates.count(m)>0){
+  if(m != nullptr && MovesStates.count(m)>0){
     X=MovesStates[m].Bound.x;
     Y=MovesStates[m].Bound.y;
   }