diff --git a/src/common/classes/alloc.cpp b/src/common/classes/alloc.cpp
index c7132e9661f..c423bf01981 100644
--- a/src/common/classes/alloc.cpp
+++ b/src/common/classes/alloc.cpp
@@ -1821,8 +1821,7 @@ class MemPool
 	MemPool* child;
 
 #ifdef DEBUG_LOST_POOLS
-	const char* fileName;
-	int lineNum;
+	CustomSourceLocation location;
 
 	int seq = -1;
 #endif