diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index e30c9891d2..f11597b0d7 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -1676,6 +1676,7 @@ libxlDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
                                  " with libxenlight"), vm->def->id);
                 goto endjob;
             }
+            vm->def->mem.cur_balloon = newmem;
         }
 
         if (flags & VIR_DOMAIN_MEM_CONFIG) {