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-rw-r--r--gtk2_ardour/audio_time_axis.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gtk2_ardour/audio_time_axis.cc b/gtk2_ardour/audio_time_axis.cc
index 51aa299128..a991bffe54 100644
--- a/gtk2_ardour/audio_time_axis.cc
+++ b/gtk2_ardour/audio_time_axis.cc
@@ -319,7 +319,7 @@ AudioTimeAxisView::set_waveform_scale (WaveformScale scale)
}
void
-AudioTimeAxisView::create_automation_child (Parameter param, bool show)
+AudioTimeAxisView::create_automation_child (const Parameter& param, bool show)
{
if (param.type() == GainAutomation) {