diff --git a/tools/python/xen/xm/xenapi_create.py b/tools/python/xen/xm/xenapi_create.py
index 4795d514da..52d91e101b 100644
--- a/tools/python/xen/xm/xenapi_create.py
+++ b/tools/python/xen/xm/xenapi_create.py
@@ -513,11 +513,15 @@ class sxp2xml:
         memory_str = str(int(
             get_child_by_name(config, "memory"))*1024*1024)
 
-        memory.attributes["static_min"] = memory_str
+        memory.attributes["static_min"] = str(0)
         memory.attributes["static_max"] = memory_str
         memory.attributes["dynamic_min"] = memory_str
         memory.attributes["dynamic_max"] = memory_str
 
+        if get_child_by_name(config, "maxmem"):
+            memory.attributes["static_max"] = \
+               str(int(get_child_by_name(config, "maxmem")*1024*1024))
+
         vm.appendChild(memory)
 
         # And now the vbds