diff --git a/src/slack.ts b/src/slack.ts
index 59f173df..d2d19f71 100644
--- a/src/slack.ts
+++ b/src/slack.ts
@@ -143,7 +143,7 @@ export async function send(
 
   const runId = process.env.GITHUB_RUN_ID
   const runNumber = process.env.GITHUB_RUN_NUMBER
-  const workflowUrl = `${repositoryUrl}/actions?query=${workflow}`
+  const workflowUrl = `${repositoryUrl}/actions?query=workflow:${workflow}`
   const workflowRunUrl = `${repositoryUrl}/actions/runs/${runId}`
 
   const sha = process.env.GITHUB_SHA as string