diff --git a/firmware/ChibiOS b/firmware/ChibiOS
index 3619aac78f..4560c4a146 160000
--- a/firmware/ChibiOS
+++ b/firmware/ChibiOS
@@ -1 +1 @@
-Subproject commit 3619aac78fcf83f102df27bdf47a6e349aebc4aa
+Subproject commit 4560c4a1463ffe6fe538f9f67e125c78c19f8498
diff --git a/firmware/controllers/lcd_controller.cpp b/firmware/controllers/lcd_controller.cpp
index d786ef1395..7007d2f367 100644
--- a/firmware/controllers/lcd_controller.cpp
+++ b/firmware/controllers/lcd_controller.cpp
@@ -117,7 +117,13 @@ void initLcdController(void) {
 }
 
 static char * prepareVBattMapLine(engine_configuration_s *engineConfiguration, char *buffer) {
-        return buffer + chsnprintf(buffer, 23,"V%10.0f M%10.0f", getVBatt(PASS_ENGINE_PARAMETER_F), getRawMap());
+	char *ptr = buffer;
+	*ptr++ = 'V';
+	ptr = ftoa(ptr, getVBatt(PASS_ENGINE_PARAMETER_F), 10.0f);
+
+	ptr = appendStr(ptr, " M");
+	ptr = ftoa(ptr, getRawMap(), 10.0f);
+	return ptr;
 }
 
 static char * prepareCltIatTpsLine(Engine *engine, char *buffer) {