diff --git a/src/TxdStore.cpp b/src/TxdStore.cpp
index 291feb2f..6ff7e852 100644
--- a/src/TxdStore.cpp
+++ b/src/TxdStore.cpp
@@ -29,7 +29,7 @@ CTxdStore::GameShutdown(void)
 
 	for(i = 0; i < TXDSTORESIZE; i++){
 		TxdDef *def = GetSlot(i);
-		if(def && GetNumRefs(i))
+		if(def && GetNumRefs(i) == 0)
 			RemoveTxdSlot(i);
 	}
 }
diff --git a/src/TxdStore.h b/src/TxdStore.h
index 50a94a75..a9e57d31 100644
--- a/src/TxdStore.h
+++ b/src/TxdStore.h
@@ -34,6 +34,11 @@ public:
 	static bool FinishLoadTxd(int slot, RwStream *stream);
 	static void RemoveTxd(int slot);
 
-	static TxdDef *GetSlot(int slot) { return ms_pTxdPool->GetSlot(slot); }
+	static TxdDef *GetSlot(int slot) {
+		assert(slot >= 0);
+		assert(ms_pTxdPool);
+		assert(slot < ms_pTxdPool->GetSize());
+		return ms_pTxdPool->GetSlot(slot);
+	}
 	static bool isTxdLoaded(int slot);
 };