diff --git a/src/htcp.c b/src/htcp.c
index b262d0f..5cfe715 100644
--- a/src/htcp.c
+++ b/src/htcp.c
@@ -1265,6 +1265,7 @@ htcpClear(StoreEntry * e, const char *uri, request_t * req
     stuff.f1 = 0;
     stuff.response = 0;
     stuff.msg_id = ++msg_id_counter;
+    stuff.S.req_hdrs = 0;
     switch (reason) {
     case HTCP_CLR_INVALIDATION:
        stuff.reason = 1;