diff --git a/source/hunt/collection/HashMap.d b/source/hunt/collection/HashMap.d
index a3fe1357..93533786 100644
--- a/source/hunt/collection/HashMap.d
+++ b/source/hunt/collection/HashMap.d
@@ -1235,7 +1235,8 @@ final class TreeNode(K, V) : LinkedHashMapEntry!(K, V) {
                 K k = x.key;
                 size_t h = x.hash;
                 for (TreeNode!(K, V) p = root;;) {
-                    size_t dir, ph;
+                    size_t ph;
+                    int dir;
                     K pk = p.key;
                     if ((ph = p.hash) > h)
                         dir = -1;