diff --git a/rtdata/languages/default b/rtdata/languages/default
index e1b4399f6..a0eccd167 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -1868,6 +1868,7 @@ TP_PERSPECTIVE_CAMERA_ROLL;Rotation
 TP_PERSPECTIVE_CAMERA_SHIFT_HORIZONTAL;Horizontal shift
 TP_PERSPECTIVE_CAMERA_SHIFT_VERTICAL;Vertical shift
 TP_PERSPECTIVE_CAMERA_YAW;Horizontal
+TP_PERSPECTIVE_CONTROL_LINES;Control lines
 TP_PERSPECTIVE_HORIZONTAL;Horizontal
 TP_PERSPECTIVE_LABEL;Perspective
 TP_PERSPECTIVE_METHOD;Method
diff --git a/rtgui/perspective.cc b/rtgui/perspective.cc
index d141cb07a..aade62911 100644
--- a/rtgui/perspective.cc
+++ b/rtgui/perspective.cc
@@ -136,6 +136,8 @@ PerspCorrection::PerspCorrection () : FoldableToolPanel(this, "perspective", M("
     img_ctrl_lines_edit = ipers_draw;
 
     Gtk::HBox* control_lines_box = Gtk::manage (new Gtk::HBox());
+    Gtk::Label* control_lines_label = Gtk::manage (new Gtk::Label (M("TP_PERSPECTIVE_CONTROL_LINES") + ": "));
+    control_lines_box->pack_start(*control_lines_label, Gtk::PACK_SHRINK);
     control_lines_box->pack_start(*lines_button_v);
     control_lines_box->pack_start(*lines_button_h);
     control_lines_box->pack_start(*lines_button_edit);