diff --git a/src/display.cpp b/src/display.cpp
index af472397..33b6afe1 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -125,7 +125,7 @@ void refreshtheDisplay() {
 // update Battery status (line 2)
 #ifdef HAS_BATTERY_PROBE
     u8x8.setCursor(0, 2);
-    u8x8.printf("B:%.1fV", batt_voltage / 1000.0);
+    u8x8.printf("B:%.2fV", batt_voltage / 1000.0);
 #endif
 
 // update GPS status (line 2)