diff --git a/src/index.js b/src/index.js
index 4ef583b..ec4446e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -35,8 +35,7 @@ function isValidHttpUrl(string) {
 }
 
 function getJiraIssueKey(commit) {
-    let commitMsg = commit.message;
-    return commitMsg.match(/JIRA-\d+/i);
+    return commit.match(/JIRA-\d+/i);
 }
 
 function sendRequestToJira(jiraWebhookUrl, jiraIssue) {