diff --git a/src/template/lib.zig b/src/template/lib.zig
index bfcf5d3..b9d6acb 100644
--- a/src/template/lib.zig
+++ b/src/template/lib.zig
@@ -304,7 +304,11 @@ fn AddCapture(comptime Root: type, comptime name: []const u8, comptime Val: type
 
 fn addCapture(root: anytype, comptime name: []const u8, val: anytype) AddCapture(@TypeOf(root), name, @TypeOf(val)) {
     if (comptime std.mem.eql(u8, name, "_")) return root;
-    var result = std.mem.zeroInit(AddCapture(@TypeOf(root), name, @TypeOf(val)), root);
+
+    var result: AddCapture(@TypeOf(root), name, @TypeOf(val)) = undefined;
+    inline for (std.meta.fields(@TypeOf(root))) |f| {
+        @field(result, f.name) = @field(root, f.name);
+    }
     @field(result, name) = val;
     return result;
 }