diff --git a/tarantool/connection.py b/tarantool/connection.py
index b3d39af1..20256929 100644
--- a/tarantool/connection.py
+++ b/tarantool/connection.py
@@ -335,6 +335,7 @@ def check():  # Check that connection is alive
         try:
             self.inconnect = True
             self.handshake()
+            self.inconnect = False
         except:
             self.inconnect = False
             raise