diff --git a/classify.c b/classify.c
index 6a20480..bb34f04 100644
--- a/classify.c
+++ b/classify.c
@@ -281,7 +281,7 @@ struct irq_info *add_misc_irq(int irq)
 	new->irq = irq;
 	new->type = IRQ_TYPE_LEGACY;
 	new->class = IRQ_OTHER;
-	new->numa_node = get_numa_node(0);
+	new->numa_node = get_numa_node(-1);
 	interrupts_db = g_list_append(interrupts_db, new);
 	return new;
 }
diff --git a/irqbalance.h b/irqbalance.h
index a1b1e8a..73a0864 100644
--- a/irqbalance.h
+++ b/irqbalance.h
@@ -49,6 +49,7 @@ extern GList *numa_nodes;
 extern GList *packages;
 extern GList *cache_domains;
 extern GList *cpus;
+extern int numa_avail;
 
 enum hp_e {
 	HINT_POLICY_IGNORE,
diff --git a/numa.c b/numa.c
index 0d93091..9cbbfc0 100644
--- a/numa.c
+++ b/numa.c
@@ -162,6 +162,9 @@ struct topo_obj *get_numa_node(int nodeid)
 	struct topo_obj find;
 	GList *entry;
 
+	if (!numa_avail)
+		return &unspecified_node;
+
 	if (nodeid == -1)
 		return &unspecified_node;