diff --git a/waku/node/waku_node.nim b/waku/node/waku_node.nim
index 7dba66fea..a6c6c699d 100644
--- a/waku/node/waku_node.nim
+++ b/waku/node/waku_node.nim
@@ -284,7 +284,7 @@ proc mountAutoSharding*(
   return ok()
 
 proc getMixNodePoolSize*(node: WakuNode): int =
-  return node.wakuMix.poolSize
+  return node.wakuMix.poolSize()
 
 proc mountMix*(
     node: WakuNode,