diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 92e276f2f432550fd1c1f1210406ea52cdda5e25..5bfc5b7483062e213c0f8af946f42fc703d368f9 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -253,8 +253,9 @@ static void pc_dimm_realize(DeviceState *dev, Error **errp)
         return;
     }
     if (dimm->node >= nb_numa_nodes) {
-        error_setg(errp, "'" PC_DIMM_NODE_PROP
-                   "' exceeds numa node number: %" PRId32, nb_numa_nodes);
+        error_setg(errp, "'DIMM property " PC_DIMM_NODE_PROP " has value %"
+                   PRIu32 "' which exceeds the number of numa nodes: %d",
+                   dimm->node, nb_numa_nodes);
         return;
     }
 }