diff --git a/mq5/MtApi5.ex5 b/mq5/MtApi5.ex5
index e5cb3a8f..d010926f 100755
Binary files a/mq5/MtApi5.ex5 and b/mq5/MtApi5.ex5 differ
diff --git a/mq5/MtApi5.mq5 b/mq5/MtApi5.mq5
index d4cd9ac9..23f41f48 100644
--- a/mq5/MtApi5.mq5
+++ b/mq5/MtApi5.mq5
@@ -2960,6 +2960,7 @@ string Execute_UnlockTicks()
       return CreateErrorResponse(-1, "UnlockTicks can be used only for backtesting");
    }
    
+   _is_ticks_locked = false;
    return CreateSuccessResponse();
 }