diff --git a/gtk2_ardour/port_matrix_grid.cc b/gtk2_ardour/port_matrix_grid.cc
index c8699ece1e..23fda6e484 100644
--- a/gtk2_ardour/port_matrix_grid.cc
+++ b/gtk2_ardour/port_matrix_grid.cc
@@ -18,7 +18,7 @@
 */
 
 #include <iostream>
-#include <cairo/cairo.h>
+#include <cairo.h>
 #include "ardour/bundle.h"
 #include "port_matrix_grid.h"
 #include "port_matrix.h"
diff --git a/gtk2_ardour/port_matrix_row_labels.cc b/gtk2_ardour/port_matrix_row_labels.cc
index e7f1153e90..de921a6cb7 100644
--- a/gtk2_ardour/port_matrix_row_labels.cc
+++ b/gtk2_ardour/port_matrix_row_labels.cc
@@ -19,7 +19,7 @@
 
 #include <iostream>
 #include <boost/weak_ptr.hpp>
-#include <cairo/cairo.h>
+#include <cairo.h>
 #include "gtkmm2ext/keyboard.h"
 #include "ardour/bundle.h"
 #include "port_matrix_row_labels.h"
diff --git a/gtk2_ardour/shuttle_control.cc b/gtk2_ardour/shuttle_control.cc
index 7096cd31bb..504cc2a300 100644
--- a/gtk2_ardour/shuttle_control.cc
+++ b/gtk2_ardour/shuttle_control.cc
@@ -18,7 +18,7 @@
 
 #include <algorithm>
 
-#include <cairo/cairo.h>
+#include <cairo.h>
 
 #include "ardour/ardour.h"
 #include "ardour/audioengine.h"