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Diffstat (limited to 'gtk2_ardour/port_matrix_row_labels.cc')
-rw-r--r--gtk2_ardour/port_matrix_row_labels.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gtk2_ardour/port_matrix_row_labels.cc b/gtk2_ardour/port_matrix_row_labels.cc
index 8c8dcd4dff..e8a14b713c 100644
--- a/gtk2_ardour/port_matrix_row_labels.cc
+++ b/gtk2_ardour/port_matrix_row_labels.cc
@@ -38,7 +38,7 @@ PortMatrixRowLabels::PortMatrixRowLabels (PortMatrix* m, PortMatrixBody* b)
void
PortMatrixRowLabels::compute_dimensions ()
{
- GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
+ GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, gdk_visual_get_depth (gdk_visual_get_system ()));
gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
cairo_t* cr = gdk_cairo_create (pm);