diff --git a/plugins/LegacyProfileReader/DictionaryOfDoom.json b/plugins/LegacyProfileReader/DictionaryOfDoom.json
index b14994b1c1..cc6d867066 100644
--- a/plugins/LegacyProfileReader/DictionaryOfDoom.json
+++ b/plugins/LegacyProfileReader/DictionaryOfDoom.json
@@ -23,11 +23,11 @@
         "retraction_min_travel": "retraction_min_travel",
         "retraction_hop": "retraction_hop",
         "speed_print": "print_speed",
-        "speed_infill": "infill_speed if (infill_speed != \"0\") else print_speed",
-        "speed_wall_0": "inset0_speed if (inset0_speed != \"0\") else print_speed",
-        "speed_wall_x": "insetx_speed if (insetx_speed != \"0\") else print_speed",
-        "speed_topbottom": "solidarea_speed if (solidarea_speed != \"0\") else print_speed",
-        "speed_travel": "travel_speed if (travel_speed != \"0\") else travel_speed",
+        "speed_infill": "infill_speed if (float(infill_speed) != 0) else print_speed",
+        "speed_wall_0": "inset0_speed if (float(inset0_speed) != 0) else print_speed",
+        "speed_wall_x": "insetx_speed if (float(insetx_speed) != 0) else print_speed",
+        "speed_topbottom": "solidarea_speed if (float(solidarea_speed) != 0) else print_speed",
+        "speed_travel": "travel_speed if (float(travel_speed) != 0) else travel_speed",
         "speed_layer_0": "bottom_layer_speed",
         "retraction_combing": "True if (retraction_combing == \"All\" or retraction_combing == \"No Skin\") else False",
         "cool_fan_enabled": "fan_enabled",