diff --git a/pvc.py b/pvc.py
index 2ab7f7ec..0c237059 100755
--- a/pvc.py
+++ b/pvc.py
@@ -569,7 +569,7 @@ RAM (MiB): {node_mem_total: <6} {node_mem_used: <6} {node_mem_free: <6} {node_me
             daemon_state_colour = ansiiprint.blue()
 
         if node_mem_allocated[node_name] >= node_mem_total[node_name]:
-            node_domain_state[node_name] == 'overprov'
+            node_domain_state[node_name] = 'overprov'
             domain_state_colour = ansiiprint.red()
         elif node_domain_state[node_name] == 'ready':
             domain_state_colour = ansiiprint.green()