Fix #9826. Solution by @gloomyandy

7 years ago · 7bdb98c946
1 changed files with 1 additions and 1 deletions
--- a/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
@ -1668,7 +1668,7 @@
            }
          #endif
-          z_values[i][j] += z_tmp - lsf_results.D;
+          z_values[i][j] = z_tmp - lsf_results.D;
        }
      }