diff --git a/web/components/gantt-chart/helpers/block-structure.tsx b/web/components/gantt-chart/helpers/block-structure.tsx
index ab2475bdd..ea51c3b12 100644
--- a/web/components/gantt-chart/helpers/block-structure.tsx
+++ b/web/components/gantt-chart/helpers/block-structure.tsx
@@ -4,11 +4,13 @@ import { IGanttBlock } from "components/gantt-chart";
 
 export const renderIssueBlocksStructure = (blocks: IIssue[]): IGanttBlock[] =>
   blocks && blocks.length > 0
-    ? blocks.map((block) => ({
-        data: block,
-        id: block.id,
-        sort_order: block.sort_order,
-        start_date: new Date(block.start_date ?? ""),
-        target_date: new Date(block.target_date ?? ""),
-      }))
+    ? blocks
+        .filter((b) => new Date(b?.start_date ?? "") <= new Date(b?.target_date ?? ""))
+        .map((block) => ({
+          data: block,
+          id: block.id,
+          sort_order: block.sort_order,
+          start_date: new Date(block.start_date ?? ""),
+          target_date: new Date(block.target_date ?? ""),
+        }))
     : [];