diff --git a/src/connection.c b/src/connection.c
index 002d6e7..9263367 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1468,7 +1468,7 @@
 
 	if (params->sni_prehash) {
 		conn_hash_update(buf, &idx,
-		                 params->sni_prehash, sizeof(*params->sni_prehash),
+		                 &params->sni_prehash, sizeof(params->sni_prehash),
 		                 &hash_flags, CONN_HASH_PARAMS_TYPE_SNI);
 	}
 
@@ -1488,7 +1488,7 @@
 
 	if (params->proxy_prehash) {
 		conn_hash_update(buf, &idx,
-		                 params->proxy_prehash, sizeof(*params->proxy_prehash),
+		                 &params->proxy_prehash, sizeof(params->proxy_prehash),
 		                 &hash_flags, CONN_HASH_PARAMS_TYPE_PROXY);
 	}