diff --git a/src/gamestate.cpp b/src/gamestate.cpp
index 789e99e..9247222 100644
--- a/src/gamestate.cpp
+++ b/src/gamestate.cpp
@@ -633,22 +633,22 @@ void GameState::incrementMoveAmt() {
 
 bool GameState::prelimWinCheck() {
     // Check if the game is preliminarily won:
-    // This occurs when there are no cards in the draw or throwaway piles,
-    // and all cards in the tableau are revealed. Such games are essentially won,
-    // as the cards only need to be moved to the foundation piles.
-    bool prelimWin = m_drawPile.isEmpty() && m_throwawayPile.isEmpty();
+    // This occurs when all cards in the tableau are revealed.
+    // Games in this state are essentially won, as the cards
+    // only need to be moved to the foundation piles.
 
-    if (prelimWin) {
-        for (const auto& column : std::as_const(m_columns)) {
-            for (const ColumnSlot* card : column) {
-                if (!card->isRevealed()) {
-                    prelimWin = false;
-                    break;
-                }
-            }
-            if (!prelimWin)
+    bool prelimWin = true; // Assume a preliminary win unless proven otherwise.
+
+    // Check if all tableau cards are revealed
+    for (const auto& column : std::as_const(m_columns)) {
+        for (const ColumnSlot* card : column) {
+            if (!card->isRevealed()) {
+                prelimWin = false;
                 break;
+            }
         }
+        if (!prelimWin)
+            break;
     }
 
     if (prelimWin == m_prelimWin)