diff --git a/client/src/store/sagas/kanboards.ts b/client/src/store/sagas/kanboards.ts
index 83162cb..f3d8f78 100644
--- a/client/src/store/sagas/kanboards.ts
+++ b/client/src/store/sagas/kanboards.ts
@@ -75,13 +75,13 @@ function createCards(projects: Project[], issues: any, lane: BoardLane, rest: Se
     return projectIssues.reduce((projectCards: KanboardCard[], issue: any) => {
       
       const hasLabel = issue.labels.some((l: any) => l.name === lane.issueLabel);
-      const card = getMemoizedKanboardCard(issue.id, issue.title, p, issue);
+      const { card, memoized } = getMemoizedKanboardCard(issue.id, issue.title, p, issue);
 
       if (hasLabel) {
         projectCards.push(card);
         rest.delete(card);
       } else {
-        rest.add(card);
+        if (!memoized) rest.add(card);
       }
 
       return projectCards;
@@ -95,11 +95,19 @@ function createCards(projects: Project[], issues: any, lane: BoardLane, rest: Se
 
 const kanboardCardMemo: {[key: string]: KanboardCard} = {};
 
-function getMemoizedKanboardCard(id: number, title: string, project: Project, issue: Issue): KanboardCard {
-  const key = `${project.id}-${issue.id}-${id}`;
-  if (kanboardCardMemo.hasOwnProperty(key)) return kanboardCardMemo[key];
+function getKanboardCardMemoizationKey(id: number, project: Project, issue: Issue) {
+  return `${project.id}-${issue.id}-${id}`;
+}
+
+function isKanboardCardMemoized(key: string) {
+  return kanboardCardMemo.hasOwnProperty(key)
+}
+
+function getMemoizedKanboardCard(id: number, title: string, project: Project, issue: Issue) {
+  const key = getKanboardCardMemoizationKey(id, project, issue);
+  if (isKanboardCardMemoized(key)) return { card: kanboardCardMemo[key], memoized: true };
   kanboardCardMemo[key] = { id, title, project, issue };
-  return kanboardCardMemo[key];
+  return { card: kanboardCardMemo[key], memoized: false };
 }
 
 function resetKandboarCardMemo() {