diff --git a/cockatrice/src/game_graphics/game_scene.cpp b/cockatrice/src/game_graphics/game_scene.cpp
index 4d3144ad4..02c2401d3 100644
--- a/cockatrice/src/game_graphics/game_scene.cpp
+++ b/cockatrice/src/game_graphics/game_scene.cpp
@@ -459,8 +459,14 @@ void GameScene::resizeColumnsAndPlayers(const QList<qreal> &minWidthByColumn, qr
     qreal extraWidthPerColumn = (newWidth - minWidth) / playersByColumn.size();
     qreal newx = phasesToolbar->getWidth();
 
-    for (int col = 0; col < playersByColumn.size(); ++col) {
-        for (PlayerGraphicsItem *player : playersByColumn[col]) {
+    // Snapshot the columns: resizing a player's table can synchronously trigger
+    // GameScene::rearrange (table width -> sizeChanged -> updateBoundingRect ->
+    // sizeChanged -> rearrange), and rearrange rebuilds playersByColumn. Iterating
+    // the live container across that re-entrant call would use invalidated iterators.
+    const QList<QList<PlayerGraphicsItem *>> columns = playersByColumn;
+
+    for (int col = 0; col < columns.size(); ++col) {
+        for (PlayerGraphicsItem *player : columns[col]) {
             player->processSceneSizeChange(minWidthByColumn[col] + extraWidthPerColumn);
             player->setPos(newx, player->y());
         }