diff --git a/plugins/LegacyProfileReader/DictionaryOfDoom.json b/plugins/LegacyProfileReader/DictionaryOfDoom.json
index 96a05b4fe0..efbfcac7d4 100644
--- a/plugins/LegacyProfileReader/DictionaryOfDoom.json
+++ b/plugins/LegacyProfileReader/DictionaryOfDoom.json
@@ -8,8 +8,8 @@
         "layer_height_0": "bottom_thickness",
         "shell_thickness": "wall_thickness",
         "top_bottom_thickness": "solid_layer_thickness",
-        "top_thickness": "solid_top",
-        "bottom_thickness": "solid_bottom",
+        "top_thickness": "0 if (solid_top == \"False\") else solid_layer_thickness",
+        "bottom_thickness": "0 if (solid_bottom == \"False\") else solid_layer_thickness",
         "skin_no_small_gaps_heuristic": "fix_horrible_extensive_stitching",
         "infill_sparse_density": "fill_density",
         "infill_overlap": "fill_overlap",