diff --git a/shapes3d.scad b/shapes3d.scad
index 7058ec96..d430635f 100644
--- a/shapes3d.scad
+++ b/shapes3d.scad
@@ -1252,13 +1252,13 @@ module textured_tile(
     texture,
     size,
     ysize, height, w1, w2, ang, h, shift,
-    tex_size=[1,1],
+    tex_size,
     tex_reps,       
     tex_inset=false,
     tex_rot=0,      
     tex_depth=1,
     diff=false,
-    tex_extra=1,
+    tex_extra,
     tex_skip=0,
     style="min_edge",
     atype="tex",
@@ -1311,7 +1311,7 @@ function textured_tile(
     tex_depth=1,    
     style="min_edge",
     atype="tex",
-    tex_extra=1,
+    tex_extra,
     tex_skip=0,
     anchor=CENTER, spin=0, orient=UP,
     _return_anchor=false