diff --git a/app/gui/oven_control/cookprogram.cpp b/app/gui/oven_control/cookprogram.cpp
index 3c17a75..93132cb 100644
--- a/app/gui/oven_control/cookprogram.cpp
+++ b/app/gui/oven_control/cookprogram.cpp
@@ -2,6 +2,8 @@
 
 #include <QTimer>
 
+#include "unistd.h"
+
 #include "cookbook.h"
 
 namespace {
@@ -442,6 +444,9 @@ void writeAuto()
 
         stream << "\n";
     }
+
+    file.close();
+    sync();
 }
 
 void writeManual()
@@ -466,6 +471,9 @@ void writeManual()
                << e.fan << ","
                << e.coreTemp << "\n";
     }
+
+    file.close();
+    sync();
 }
 
 bool initialized = false;