diff --git a/src/zm_event.cpp b/src/zm_event.cpp
index 73a0a22ad..231cd7978 100644
--- a/src/zm_event.cpp
+++ b/src/zm_event.cpp
@@ -133,6 +133,7 @@ Event::Event(
     db_mutex.lock();
   }
   id = mysql_insert_id(&dbconn);
+  db_mutex.unlock();
 
   if ( !SetPath(storage) ) {
     // Try another