diff --git a/forum-network/src/classes/forum.js b/forum-network/src/classes/forum.js
index e40a3d8..cf96b4e 100644
--- a/forum-network/src/classes/forum.js
+++ b/forum-network/src/classes/forum.js
@@ -116,7 +116,7 @@ export class Forum extends ReputationHolder {
 
     // Recursively distribute reputation to citations, according to weights
     let totalOutboundAmount = 0;
-    if (params.referenceChainLimit >= 0 && depth <= params.referenceChainLimit) {
+    if (params.referenceChainLimit === null || depth <= params.referenceChainLimit) {
       for (const { postId: citedPostId, weight } of post.citations) {
         const citedPost = this.getPost(citedPostId);
         let outboundAmount = weight * increment;