diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.cpp b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
index 1b7bebfa61..ee8fb48c9d 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
@@ -50,7 +50,7 @@
         if (!isnan(z_values[x][y])) {
           SERIAL_ECHO_START();
           SERIAL_ECHOPAIR("  M421 I", x, " J", y);
-          SERIAL_ECHOPAIR_F(" Z", z_values[x][y], 2);
+          SERIAL_ECHOPAIR_F(" Z", z_values[x][y], 4);
           SERIAL_EOL();
           serial_delay(75); // Prevent Printrun from exploding
         }