diff --git a/maps/submaps/surface_submaps/plains/plains.dm b/maps/submaps/surface_submaps/plains/plains.dm
index e29652735a5..44d02c1f2ae 100644
--- a/maps/submaps/surface_submaps/plains/plains.dm
+++ b/maps/submaps/surface_submaps/plains/plains.dm
@@ -39,11 +39,11 @@
 #include "oldhotel.dmm"
 #include "VRDen.dmm"
 #include "reststop.dmm"
-#include "animalruin-den.dmm"
-#include "crescent-den.dmm"
-#include "plainsdrake-den.dmm"
-#include "pondside-den.dmm"
-#include "swampy-den.dmm"
+#include "animalruin_den.dmm"
+#include "crescent_den.dmm"
+#include "plainsdrake_den.dmm"
+#include "pondside_den.dmm"
+#include "swampy_den.dmm"
 #endif