diff --git a/tests/unit/plugins/irc/test-irc-protocol.cpp b/tests/unit/plugins/irc/test-irc-protocol.cpp
index 3721a0c73..483629615 100644
--- a/tests/unit/plugins/irc/test-irc-protocol.cpp
+++ b/tests/unit/plugins/irc/test-irc-protocol.cpp
@@ -305,7 +305,7 @@ TEST_GROUP(IrcProtocolWithServer)
 
     void server_recv (const char *command)
     {
-        char str_command[4096];
+        char str_command[8192];
 
         record_start ();
         arraylist_clear (sent_messages);