diff --git a/deploy/task.yml b/deploy/task.yml
index 86b26f22..2ca72305 100644
--- a/deploy/task.yml
+++ b/deploy/task.yml
@@ -150,6 +150,6 @@ Resources:
         Values:
         - !Ref HostnamePattern
       ListenerArn:
-        Fn::ImportValue: !Sub AlbPublicDefaultHttpsListener-http-${Environment}
+        Fn::ImportValue: !Sub ALBPublicDefaultHttpsListener-http-${Environment}
       Priority: !Ref HostnamePatternPriority