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-rw-r--r--libs/surfaces/push2/knob.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/surfaces/push2/knob.cc b/libs/surfaces/push2/knob.cc
index 71edaf5b5c..29dffe31bb 100644
--- a/libs/surfaces/push2/knob.cc
+++ b/libs/surfaces/push2/knob.cc
@@ -23,6 +23,7 @@
#include "ardour/automation_control.h"
#include "ardour/dB.h"
+#include "ardour/utils.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/rgb_macros.h"