diff --git a/src/implementations.jl b/src/implementations.jl
index d2e6124..3eee8d9 100644
--- a/src/implementations.jl
+++ b/src/implementations.jl
@@ -267,7 +267,7 @@ shape(xs::Iterators.Enumerate) = shape(xs.itr)
 
 function halve(xs::Iterators.Enumerate)
     left, right = halve(xs.itr)
-    return enumerate(left), zip(length(left)+1:length(xs), right)
+    return enumerate(left), zip(reshape(length(left)+1:length(xs), size(right)), right)
 end
 
 function halve(xs::Iterators.Reverse)
diff --git a/test/test_halve.jl b/test/test_halve.jl
index fa71c68..ed69bfe 100644
--- a/test/test_halve.jl
+++ b/test/test_halve.jl
@@ -55,6 +55,7 @@ partition(1:10, 3)
 partition(1:10, 4)
 enumerate([11, 22, 33, 44])
 enumerate([11, 22, 33, 44, 55])
+enumerate(Iterators.product(1:3, 'a':'b'))
 zip(1:3, partition(1:10, 4))
 zip("αβγ")
 zip(enumerate([11, 22, 33, 44]), 'a':'d')