diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index cad52b7150..64afae6450 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6631,9 +6631,23 @@ static int
 qemuDomainAttachMemoryConfig(virDomainDef *vmdef,
                              virDomainMemoryDef **mem)
 {
-    if (vmdef->nmems == vmdef->mem.memory_slots) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                       _("no free memory device slot available"));
+    switch ((*mem)->model) {
+    case VIR_DOMAIN_MEMORY_MODEL_DIMM:
+    case VIR_DOMAIN_MEMORY_MODEL_NVDIMM:
+        if (vmdef->nmems == vmdef->mem.memory_slots) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("no free memory device slot available"));
+            return -1;
+        }
+        break;
+
+    case VIR_DOMAIN_MEMORY_MODEL_VIRTIO_PMEM:
+    case VIR_DOMAIN_MEMORY_MODEL_VIRTIO_MEM:
+    case VIR_DOMAIN_MEMORY_MODEL_SGX_EPC:
+        break;
+    case VIR_DOMAIN_MEMORY_MODEL_NONE:
+    case VIR_DOMAIN_MEMORY_MODEL_LAST:
+        virReportEnumRangeError(virDomainMemoryModel, (*mem)->model);
         return -1;
     }