thodg/cgminer

diff --git a/main.c b/main.c
index f19ad20..554993c 100644
--- a/main.c
+++ b/main.c
@@ -5867,6 +5867,7 @@ int main (int argc, char *argv[])
 		quit(1, "Failed to curl_global_init");
 
 	mutex_init(&hash_lock);
+	mutex_init(&qd_lock);
 	mutex_init(&curses_lock);
 	mutex_init(&control_lock);
 	rwlock_init(&blk_lock);