diff --git a/firmware/controllers/actuators/lcd_controller.cpp b/firmware/controllers/actuators/lcd_controller.cpp
index 879d189ea7..7c84075c98 100644
--- a/firmware/controllers/actuators/lcd_controller.cpp
+++ b/firmware/controllers/actuators/lcd_controller.cpp
@@ -200,7 +200,7 @@ static void lcdPrintf(const char *fmt, ...) {
 }
 
 static void showLine(lcd_line_e line, int screenY) {
-	static char buffer[10];
+	static char buffer[_MAX_FILLER + 2];
 
 	switch (line) {
 	case LL_VERSION:
diff --git a/firmware/development/engine_sniffer.h b/firmware/development/engine_sniffer.h
index 9a659b4f75..cbf1c9f05d 100644
--- a/firmware/development/engine_sniffer.h
+++ b/firmware/development/engine_sniffer.h
@@ -30,7 +30,7 @@ public:
 	bool isStartedTooLongAgo() const;
 private:
 	Logging logging;
-	char timeBuffer[10];
+	char timeBuffer[_MAX_FILLER + 2];
 	uint32_t counter = 0;
 	/**
 	 * We want to avoid visual jitter thus we want the left edge to be aligned
diff --git a/firmware/hw_layer/adc_inputs.cpp b/firmware/hw_layer/adc_inputs.cpp
index d4d413709a..ab68252257 100644
--- a/firmware/hw_layer/adc_inputs.cpp
+++ b/firmware/hw_layer/adc_inputs.cpp
@@ -484,7 +484,7 @@ static void adc_callback_slow(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 	AdcSubscription::UpdateSubscribers();
 }
 
-static char errorMsgBuff[10];
+static char errorMsgBuff[_MAX_FILLER];
 
 void addChannel(const char *name, adc_channel_e setting, adc_channel_mode_e mode) {
 	if (setting == EFI_ADC_NONE) {