diff --git a/rogueviz/presentation.cpp b/rogueviz/presentation.cpp
index b8175639..811f532f 100644
--- a/rogueviz/presentation.cpp
+++ b/rogueviz/presentation.cpp
@@ -88,6 +88,16 @@ void empty_screen(presmode mode, color_t col) {
     }
   }
 
+void slide_error(presmode mode, string s) {
+  empty_screen(mode, 0x400000);
+  add_stat(mode, [s] {
+    dialog::init();
+    dialog::addTitle(s, 0xFF0000, 150);
+    dialog::display();
+    return true;
+    });
+  }
+
 map<string, texture::texture_data> textures;
 
 void draw_texture(texture::texture_data& tex) {
diff --git a/rogueviz/rogueviz.h b/rogueviz/rogueviz.h
index c0782127..89b2e8a5 100644
--- a/rogueviz/rogueviz.h
+++ b/rogueviz/rogueviz.h
@@ -210,6 +210,7 @@ function<void(presmode)> roguevizslide_action(char c, const T& t, const U& act)
   void empty_screen(presmode mode, color_t col = 0xFFFFFFFF);
   void show_picture(presmode mode, string s);    
   void use_angledir(presmode mode, bool reset);
+  void slide_error(presmode mode, string s);
 
   inline ld angle = 0;
   inline int dir = -1;