diff --git a/lib/xmltree/xmlparse.cpp b/lib/xmltree/xmlparse.cpp
index 9f4ef239f..75e5d3ebc 100644
--- a/lib/xmltree/xmlparse.cpp
+++ b/lib/xmltree/xmlparse.cpp
@@ -2732,6 +2732,7 @@ static int poolGrow(STRING_POOL *pool)
 		tem->next=pool->blocks;
 
 		pool->blocks=tem;
+		if (!pool->start) return 0; //FIXME: hack: pool->start seems to be a null pointer in some constellations, memmove don't like such for parameter 2
 
 		memmove(tem->s, pool->start, (pool->ptr-pool->start)*sizeof(XML_Char));