diff --git a/paths2openscad-de.inx b/paths2openscad-de.inx
index feceec3..61379a7 100755
--- a/paths2openscad-de.inx
+++ b/paths2openscad-de.inx
@@ -51,7 +51,7 @@
       <option value="16" xml:lang="de">16: Fein (langsamer)</option>
       <option value="32" xml:lang="de">32: Perfekt (sehr langsam)</option>
     </param>
-    <param type="boolean" name="force_line" gui-text="Umrisslinien-Modus immer verwenden; Füllungen werden ignoriert" xml:lang="de">False</param>
+    <param type="boolean" name="force_line" gui-text="Umrisslinien-Modus immer verwenden; Füllungen werden ignoriert" xml:lang="de">false</param>
     <param type="description" name="spacer"><!-- --></param>
   </page>
 
diff --git a/paths2openscad.inx b/paths2openscad.inx
index d512278..6dcedca 100755
--- a/paths2openscad.inx
+++ b/paths2openscad.inx
@@ -56,7 +56,7 @@ Note: the 'Scale: XX %' instruction has no effect in outline mode.</_param>
       <option value="32">32: Perfect (slowest)</option>
     </param>
 
-    <param name="force_line" type="boolean" gui-text="Force outline mode, ignore fill">False</param>
+    <param name="force_line" type="boolean" gui-text="Force outline mode, ignore fill">false</param>
     <_param name="spacer" type="description"><!-- --></_param>
   </page>