diff --git a/src/util/_impl/_dedup_impl.scad b/src/util/_impl/_dedup_impl.scad
index 6bb927d6..ba9af942 100644
--- a/src/util/_impl/_dedup_impl.scad
+++ b/src/util/_impl/_dedup_impl.scad
@@ -35,10 +35,10 @@ function _add(buckets, bucket, i_elem, b_idx) =
 
 function before_after(lt, pivot, leng, before = [], after = [], j = 1) =
     j == leng ? [before, after] :
-    let(cond = lt[j][0] < pivot[0])
+    let(is_less = lt[j][0] < pivot[0])
     before_after(lt, pivot, leng,
-         cond ? [each before, lt[j]] : before, 
-         cond ? after : [each after, lt[j]], 
+         is_less ? [each before, lt[j]] : before, 
+         is_less ? after : [each after, lt[j]], 
          j + 1
     );
 
diff --git a/src/util/_impl/_sorted_impl.scad b/src/util/_impl/_sorted_impl.scad
index 80259dd0..7d63d9b8 100644
--- a/src/util/_impl/_sorted_impl.scad
+++ b/src/util/_impl/_sorted_impl.scad
@@ -1,9 +1,9 @@
 function before_after(lt, pivot, less, leng, before = [], after = [], j = 1) =
     j == leng ? [before, after] :
-    let(cond = less(lt[j], pivot))
+    let(is_less = less(lt[j], pivot))
     before_after(lt, pivot, less, leng,
-         cond ? [each before, lt[j]] : before, 
-         cond ? after : [each after, lt[j]], 
+         is_less ? [each before, lt[j]] : before, 
+         is_less ? after : [each after, lt[j]], 
          j + 1
     );