diff --git a/src/mapper/mapper.cc b/src/mapper/mapper.cc
index 22b775c..a555404 100644
--- a/src/mapper/mapper.cc
+++ b/src/mapper/mapper.cc
@@ -12,6 +12,7 @@
 namespace fallout {
 
 static void redraw_toolname();
+static void clear_toolname();
 static int mapper_mark_exit_grid();
 static void mapper_mark_all_exit_grids();
 
@@ -33,6 +34,15 @@ void redraw_toolname()
     windowRefreshRect(tool_win, &rect);
 }
 
+// 0x48B278
+void clear_toolname()
+{
+    windowDrawText(tool_win, "", 120, _scr_size.right - _scr_size.left - 149, 60, 260);
+    windowDrawText(tool_win, "", 120, _scr_size.right - _scr_size.left - 149, 70, 260);
+    windowDrawText(tool_win, "", 120, _scr_size.right - _scr_size.left - 149, 80, 260);
+    redraw_toolname();
+}
+
 // 0x48C604
 int mapper_inven_unwield(Object* obj, int right_hand)
 {