diff --git a/contentScript.js b/contentScript.js
index 1fdeb3b..c25b04d 100644
--- a/contentScript.js
+++ b/contentScript.js
@@ -395,7 +395,7 @@ if (typeof Overlay === "undefined") {
       }
 
       // Post-warmup
-      const trainedMinutes = Math.min(0, minutes - warmupMin);
+      const trainedMinutes = Math.max(0, minutes - warmupMin);
       const trainedSeconds = minutes >= warmupMin ? seconds : 0;
       const postWarmup = Math.round((cpm * (trainedMinutes + (trainedSeconds / 60))));