diff --git a/src/librf625.cpp b/src/librf625.cpp
index b46801b43ba39fbc267aa64c4b1eb1984c6fa6a7..c7b93e6bebe5838d73e7975eaa4b8ac9eb8dc789 100644
--- a/src/librf625.cpp
+++ b/src/librf625.cpp
@@ -298,15 +298,14 @@ bool rf625::connect()
         return false;
 
     _mx.lock();
-
     if (!send_cmd_packet(m_sock, Cmd_Identify, 0, RF625_API_VERSION)) {
         _mx.unlock();
         disconnect();
         return false;
     }
+    _mx.unlock();
 
     read_params(m_params);
-    _mx.unlock();
 
     return true;
 }