diff --git a/src/yvalve/gds.cpp b/src/yvalve/gds.cpp
index adf40ec7e05..a5e40c8ef32 100644
--- a/src/yvalve/gds.cpp
+++ b/src/yvalve/gds.cpp
@@ -287,7 +287,10 @@ VoidPtr API_ROUTINE gds__alloc_debug(SLONG size_request, const TEXT* filename, U
 
 ULONG API_ROUTINE gds__free(void* blk)
 {
-	getDefaultMemoryPool()->deallocate(blk);
+	if (Firebird::MemoryPool* pool = Firebird::MemoryPool::defaultMemoryManager)
+	{
+		pool->deallocate(blk);
+	}
 	return 0;
 }