--- org/src/desktop-events.cpp	2014-06-17 10:28:03.007487892 +0200
+++ new/src/desktop-events.cpp	2014-06-17 10:29:34.935490834 +0200
@@ -69,6 +69,7 @@
 
 static gint sp_dt_ruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw, bool horiz)
 {
+    gint ret = FALSE;
     static bool dragging = false;
     static SPCanvasItem *guide = NULL;
     static Geom::Point normal;
@@ -86,6 +87,7 @@
     switch (event->type) {
     case GDK_BUTTON_PRESS:
             if (event->button.button == 1) {
+                ret = FALSE;
                 dragging = true;
 
                 Geom::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
@@ -194,7 +196,7 @@
             break;
     }
 
-    return FALSE;
+    return ret;
 }
 
 int sp_dt_hruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)