diff --git a/Core/Src/main.c b/Core/Src/main.c
index 2dbe8db..f48b1fe 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -210,7 +210,7 @@ int main(void) {
     update_status_leds();
     afe_measure();
     tmp144_read_temps();
-    if (HAL_GetTick() - main_loop_start < ERROR_CHECK_START) {
+    if (HAL_GetTick() - main_loop_start > ERROR_CHECK_START) {
       check_error_conditions();
     }
     fan_ctrl_update();