diff --git a/arrays.scad b/arrays.scad
index 8c8d91c..648cc4a 100644
--- a/arrays.scad
+++ b/arrays.scad
@@ -496,8 +496,7 @@ function array_dim(v, depth=undef) =
 //   transpose([3,4,5]);  // Returns: [[3],[4],[5]]
 function transpose(arr) =
 	arr==[]? [] :
-	is_list(arr[0])? [for (i=[0:len(arr[0])-1]) [for (j=[0:len(arr)-1]) arr[j][i]]] :
-	[for (x=arr) [x]];
+	is_list(arr[0])? [for (i=[0:len(arr[0])-1]) [for (j=[0:len(arr)-1]) arr[j][i]]] : arr;
 
 
 
diff --git a/tests/test_arrays.scad b/tests/test_arrays.scad
index f305651..8b7e2c5 100644
--- a/tests/test_arrays.scad
+++ b/tests/test_arrays.scad
@@ -215,7 +215,7 @@ test_array_dim();
 module test_transpose() {
 	assert(transpose([[1,2,3],[4,5,6],[7,8,9]]) == [[1,4,7],[2,5,8],[3,6,9]]);
 	assert(transpose([[1,2,3],[4,5,6]]) == [[1,4],[2,5],[3,6]]);
-	assert(transpose([3,4,5]) ==  [[3],[4],[5]]);
+	assert(transpose([3,4,5]) == [3,4,5]);
 }
 test_transpose();