diff --git a/openbox/config.c b/openbox/config.c
--- a/openbox/config.c
+++ b/openbox/config.c
@@ -27,6 +27,7 @@
 #include "openbox.h"
 #include "gettext.h"
 #include "obt/paths.h"
+#include "edges.h"
 
 gboolean config_focus_new;
 gboolean config_focus_follow;
@@ -565,6 +566,7 @@ static void parse_mouse(xmlNodePtr node, gpointer d)
                 }
                 continue;
             }
+            enable_edge(cx - OB_FRAME_CONTEXT_EDGE_TOP);
 
             nbut = obt_xml_find_node(n->children, "mousebind");
             while (nbut) {
diff --git a/openbox/edges.c b/openbox/edges.c
index 2b40619..2aea791 100644
--- a/openbox/edges.c
+++ b/openbox/edges.c
@@ -10,7 +10,7 @@
 /* Array of array of monitors of edges: edge[monitor 2][top edge] */
 ObEdge ***edge = NULL;
 #warning put in config.c and parse configs of course
-gboolean config_edge_enabled[OB_NUM_EDGES] = {1, 1, 1, 1, 1, 1, 1, 1};
+gboolean config_edge_enabled[OB_NUM_EDGES] = {0, 0, 0, 0, 0, 0, 0, 0};
 /* this could change at runtime, we should hook into that, but for now
  * don't crash on reconfigure/shutdown */
 static guint edge_monitors;
@@ -133,3 +133,10 @@ void edges_configure()
     edges_shutdown(TRUE);
     edges_startup(TRUE);
 }
+
+void enable_edge(int may_be_edge_index)
+{
+    if ((may_be_edge_index >= 0) && (may_be_edge_index < OB_NUM_EDGES))
+        config_edge_enabled[may_be_edge_index] = 1;
+
+}
diff --git a/openbox/edges.h b/openbox/edges.h
index 419cba6..1070e9f 100644
--- a/openbox/edges.h
+++ b/openbox/edges.h
@@ -25,6 +25,7 @@ struct _ObEdge
     ObEdgeLocation location;
 };
 
+void enable_edge(int may_be_edge_index);
 void edges_startup(gboolean reconfigure);
 void edges_shutdown(gboolean reconfigure);
 void edges_configure(void);