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-rw-r--r--tools/gui/control.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/gui/control.c b/tools/gui/control.c
index 0d08893..07b7937 100644
--- a/tools/gui/control.c
+++ b/tools/gui/control.c
@@ -321,6 +321,8 @@ on_download_button_clicked (GtkWidget *widget, ThreadData *data)
g_printerr ("Error while reading out frames: %s\n", error->message);
g_error_free (error);
+ error = NULL;
+
uca_camera_stop_readout (data->camera, &error);
if (error != NULL)