diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 5b143f4af..0a4e9b8fb 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -3499,7 +3499,7 @@ inline void gcode_G28() {
             if (HYPOT2(xProbe, yProbe) > sq(DELTA_PROBEABLE_RADIUS) + 0.1) continue;
           #endif
 
-          float measured_z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level);
+          measured_z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level);
 
           #if ENABLED(AUTO_BED_LEVELING_LINEAR)