diff --git a/ESP32_AP-Flasher/src/contentmanager.cpp b/ESP32_AP-Flasher/src/contentmanager.cpp
index 3388ab7c..26de55ab 100644
--- a/ESP32_AP-Flasher/src/contentmanager.cpp
+++ b/ESP32_AP-Flasher/src/contentmanager.cpp
@@ -64,7 +64,7 @@ void contentRunner() {
         }
 
         if (taginfo->expectedNextCheckin > now - 10 && taginfo->expectedNextCheckin < now + 30 && taginfo->pendingIdle == 0 && taginfo->pendingCount == 0) {
-            int16_t minutesUntilNextUpdate = (taginfo->nextupdate - now) / 60;
+            int32_t minutesUntilNextUpdate = (taginfo->nextupdate - now) / 60;
             if (minutesUntilNextUpdate > config.maxsleep) {
                 minutesUntilNextUpdate = config.maxsleep;
             }