diff --git a/src/GithubApi.php b/src/GithubApi.php
index 9baf89966..391304cea 100644
--- a/src/GithubApi.php
+++ b/src/GithubApi.php
@@ -128,7 +128,7 @@ public function getCommitDataForPath(string $repo, string $path, string $branch)
 
     public function getPullRequestForCommit(string $commit, string $repo): ?array
     {
-        $data = $this->requestGitHubApi('https://api.github.com/search/issues?q='.$commit);
+        $data = $this->requestGitHubApi('https://api.github.com/search/issues?q='.$commit.'+is:pull-request');
 
         if (0 === \count($data['items'])) {
             return null;