diff --git a/xmlmemory.c b/xmlmemory.c
index f61724f..2059ef4 100644
--- a/xmlmemory.c
+++ b/xmlmemory.c
@@ -668,7 +668,9 @@
 #endif
 }
 
+#ifdef MEM_LIST
 static FILE *xmlMemoryDumpFile = NULL;
+#endif
 
 /**
  * xmlMemShow: