diff --git a/web_app/js/sif_tools.js b/web_app/js/sif_tools.js
index 729f965..b888314 100644
--- a/web_app/js/sif_tools.js
+++ b/web_app/js/sif_tools.js
@@ -874,7 +874,7 @@ function run_timer()
     }
 
     // @sifen_trackbot updates come out at 36 minutes past the hour, fetch them at 37 minutes to allow for some slop
-    if (minute(now) == 37 || window.immediately_refresh_tier_cutoffs)  {
+    if ((minute(now) == 37 && second(now) == 0) || window.immediately_refresh_tier_cutoffs)  {
         $("#tier_info_output_area").html("<h2>Updating tier cutoff data, please wait...</h2>");
         twitterFetcher.fetch(config5);
         window.immediately_refresh_tier_cutoffs = false;