diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index ae0c15928c..ecbd9ccdf4 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -44,6 +44,7 @@
 #include "pbd/basename.h"
 #include "pbd/pthread_utils.h"
 #include "pbd/memento_command.h"
+#include "pbd/stacktrace.h"
 #include "pbd/unwind.h"
 #include "pbd/whitespace.h"
 #include "pbd/stateful_diff_command.h"