diff --git a/src/utils/uri.ts b/src/utils/uri.ts
index 149e3ec5f0..9f3ef7ccc0 100644
--- a/src/utils/uri.ts
+++ b/src/utils/uri.ts
@@ -24,7 +24,7 @@ export function createSafeContentUri(scheme: string, path: string, content: stri
 		}
 
 		// Calculate available space for content after accounting for URI overhead
-		const overhead = baseUri.length + 50 // Extra buffer for URI encoding
+		const overhead = baseUri.length + 100 // Extra buffer for URI encoding and VS Code overhead
 		const maxBase64Length = Math.max(0, MAX_SAFE_URI_LENGTH - overhead)
 
 		// Truncate content to fit within safe URI length