diff --git a/firmware/wideband_config.h b/firmware/wideband_config.h
index 59dc3d6..dc73050 100644
--- a/firmware/wideband_config.h
+++ b/firmware/wideband_config.h
@@ -42,7 +42,7 @@
 #define HEATER_CONTROL_PERIOD 50
 
 #define HEATER_PREHEAT_TIME 5000
-#define HEATER_WARMUP_TIMEOUT 30000
+#define HEATER_WARMUP_TIMEOUT 45000
 
 #define HEATER_CLOSED_LOOP_THRESHOLD_ESR 400
 #define HEATER_TARGET_ESR 300