diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c8dc7481396c467ceeecdd2b46ef4f70805ab080..d9f336b98aedc4d2aa673a5df97c78d71b9844ef 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -5767,8 +5767,10 @@ qemuDomainUpdateMemoryDeviceInfo(virQEMUDriverPtr driver,
 
     rc = qemuMonitorGetMemoryDeviceInfo(priv->mon, &meminfo);
 
-    if (qemuDomainObjExitMonitor(driver, vm) < 0)
+    if (qemuDomainObjExitMonitor(driver, vm) < 0) {
+        virHashFree(meminfo);
         return -1;
+    }
 
     /* if qemu doesn't support the info request, just carry on */
     if (rc == -2)