diff --git a/src/compress.zig b/src/compress.zig
index c792815..bb02ed3 100644
--- a/src/compress.zig
+++ b/src/compress.zig
@@ -303,7 +303,8 @@ test "delta decompression with an iterator" {
     for (compressed) |x|
         try appendUvarint(&buf, x);
 
-    var it = DeltaDecompressionIterator(&try VarintSliceIterator(buf.items));
+    var vit = try VarintSliceIterator(buf.items);
+    var it = DeltaDecompressionIterator(&vit);
     var i: usize = 0;
     try testing.expectEqual(it.remaining(), uvarint_tests.len);
     while (try it.next()) |got| : (i += 1) {