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-rw-r--r--tools/gui/control.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/gui/control.c b/tools/gui/control.c
index b17040f..c177f07 100644
--- a/tools/gui/control.c
+++ b/tools/gui/control.c
@@ -161,6 +161,7 @@ preview_frames (void *args)
gpointer buffer;
buffer = ring_buffer_get_current_pointer (data->buffer);
+ uca_camera_trigger (data->camera, &error);
uca_camera_grab (data->camera, buffer, &error);
if (error == NULL) {