diff --git a/gtk2_ardour/port_matrix.cc b/gtk2_ardour/port_matrix.cc
index 5b747d6693..696c625da0 100644
--- a/gtk2_ardour/port_matrix.cc
+++ b/gtk2_ardour/port_matrix.cc
@@ -455,11 +455,13 @@ PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t)
 						MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_all_channels), w))
 						);
 					
-					for (uint32_t i = 0; i < bc[dim].bundle->nchannels().n_total(); ++i) {
-						if (should_show (bc[dim].bundle->channel_type(i))) {
-							add_remove_option (sub, w, i);
-						}
-					}
+					if (bc[dim].bundle->nchannels().n_total() > 1) {
+                                                for (uint32_t i = 0; i < bc[dim].bundle->nchannels().n_total(); ++i) {
+                                                        if (should_show (bc[dim].bundle->channel_type(i))) {
+                                                                add_remove_option (sub, w, i);
+                                                        }
+                                                }
+                                        }
 				}
 			}