diff --git a/src/stick_table.c b/src/stick_table.c
index c77b402..2ab56fd 100644
--- a/src/stick_table.c
+++ b/src/stick_table.c
@@ -170,7 +170,7 @@
 	ts = pool_alloc2(t->pool);
 	if (ts) {
 		t->current++;
-		ts += t->data_size;
+		ts = (void *)ts + t->data_size;
 		stksess_init(t, ts);
 		if (key)
 			stksess_setkey(t, ts, key);