diff --git a/lib/github/linked_issue.rb b/lib/github/linked_issue.rb
index 1dd647c89..cc3c49163 100644
--- a/lib/github/linked_issue.rb
+++ b/lib/github/linked_issue.rb
@@ -84,7 +84,7 @@ class GitHub
     end
 
     def milestone
-      @result['milestone']['title']
+      @result.dig('milestone', 'title')
     end
 
     def query
diff --git a/lib/gitlab/linked_issue.rb b/lib/gitlab/linked_issue.rb
index 27a618a25..a3762eb47 100644
--- a/lib/gitlab/linked_issue.rb
+++ b/lib/gitlab/linked_issue.rb
@@ -81,7 +81,7 @@ class GitLab
     end
 
     def milestone
-      @result['milestone']['title']
+      @result.dig('milestone', 'title')
     end
 
     def query