diff --git a/src/DNS_Mgr.cc b/src/DNS_Mgr.cc
index d4fa5cf31f..4596a7d73a 100644
--- a/src/DNS_Mgr.cc
+++ b/src/DNS_Mgr.cc
@@ -1012,7 +1012,6 @@ void DNS_Mgr::AsyncLookupAddr(const IPAddr& host, LookupCallback* callback)
 		// A new one.
 		req = new AsyncRequest;
 		req->host = host;
-		req->is_txt = false;
 		asyncs_queued.push_back(req);
 		asyncs_addrs.insert(AsyncRequestAddrMap::value_type(host, req));
 		}
diff --git a/src/DNS_Mgr.h b/src/DNS_Mgr.h
index e24cdbb1d6..bfcc70a5c2 100644
--- a/src/DNS_Mgr.h
+++ b/src/DNS_Mgr.h
@@ -174,6 +174,8 @@ protected:
 		bool is_txt;
 		CallbackList callbacks;
 
+		AsyncRequest() : time(0.0), is_txt(false) { }
+
 		bool IsAddrReq() const	{ return name.length() == 0; }
 
 		void Resolved(const char* name)