diff --git a/subbrute.py b/subbrute.py
index 37191cd..6a14a91 100755
--- a/subbrute.py
+++ b/subbrute.py
@@ -24,6 +24,9 @@
 import socket
 import struct
 
+# Maximum time to wait for a DNS query to complete
+QUERY_TIMEOUT = 4
+
 #Python 2.x and 3.x compatiablity
 #We need the Queue library for exception handling
 try:
@@ -63,7 +66,7 @@ def query(self, hostname, query_type = 'ANY', name_server = False, use_tcp = Tru
         self.last_resolver = name_server
         query = dnslib.DNSRecord.question(hostname, query_type.upper().strip())
         try:
-            response_q = query.send(name_server, 53, use_tcp)
+            response_q = query.send(name_server, 53, use_tcp, QUERY_TIMEOUT)
             if response_q:
                 response = dnslib.DNSRecord.parse(response_q)
             else:
@@ -856,4 +859,4 @@ def signal_init():
         target = target.strip()
         if target:
             trace(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)
-            print_target(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)
\ No newline at end of file
+            print_target(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)