diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.cpp b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
index 6d60e7a2ef..b7ee6aeef8 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
@@ -59,7 +59,7 @@ void unified_bed_leveling::report_current_mesh() {
 
 void unified_bed_leveling::report_state() {
   echo_name();
-  serial_ternary(planner.leveling_active, " System v" UBL_VERSION " ", nullptr, "in", "active\n");
+  serial_ternary(planner.leveling_active, F(" System v" UBL_VERSION " "), nullptr, F("in"), F("active\n"));
   serial_delay(50);
 }