diff --git a/source/dlangbot/app.d b/source/dlangbot/app.d
index c468e82..573bf88 100644
--- a/source/dlangbot/app.d
+++ b/source/dlangbot/app.d
@@ -331,6 +331,7 @@ void handlePR(string action, PullRequest* _pr)
         import std.algorithm.searching : canFind, all, startsWith;
         import std.array : array, assocArray, join, replace;
         import std.regex : regex, matchAll;
+        import std.typecons : tuple;
 
         auto oldComments = getBugComments(refs.map!(r => r.id).array);