diff --git a/skin.scad b/skin.scad
index 9b5991f1..b6344ca6 100644
--- a/skin.scad
+++ b/skin.scad
@@ -413,7 +413,7 @@ function skin(profiles, slices, refine=1, method="direct", sampling, caps, close
   assert(is_def(slices),"\nThe slices argument must be specified.")
   assert(is_list(profiles) && len(profiles)>1, "\nMust provide at least two profiles.")
   // If the user forgets the first element should be a list, the other messages aren't as precisely helpful
-  assert(is_list(profiles)&&is_list(profiles[0])&&is_list(profiles[0][0]), "\nThe first argument to `skin` must be a list of paths")
+  assert(is_list(profiles)&&is_path(profiles[0]), "\nThe first argument to `skin` must be a list of paths")
   let(
        profiles = [for(p=profiles) if (is_region(p) && len(p)==1) p[0] else p]
   )