diff --git a/tgstation.dme b/tgstation.dme
index 1c7d5112e7..c6709a51c3 100755
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -1493,11 +1493,13 @@
 #include "code\modules\atmospherics\machinery\pipes\layermanifold.dm"
 #include "code\modules\atmospherics\machinery\pipes\manifold.dm"
 #include "code\modules\atmospherics\machinery\pipes\manifold4w.dm"
+#include "code\modules\atmospherics\machinery\pipes\mapping.dm"
 #include "code\modules\atmospherics\machinery\pipes\pipes.dm"
 #include "code\modules\atmospherics\machinery\pipes\simple.dm"
 #include "code\modules\atmospherics\machinery\pipes\heat_exchange\he_pipes.dm"
 #include "code\modules\atmospherics\machinery\pipes\heat_exchange\junction.dm"
 #include "code\modules\atmospherics\machinery\pipes\heat_exchange\manifold.dm"
+#include "code\modules\atmospherics\machinery\pipes\heat_exchange\manifold4w.dm"
 #include "code\modules\atmospherics\machinery\pipes\heat_exchange\simple.dm"
 #include "code\modules\atmospherics\machinery\portable\canister.dm"
 #include "code\modules\atmospherics\machinery\portable\portable_atmospherics.dm"