diff --git a/tgstation.dme b/tgstation.dme
index 6cf7970ea47..beb0df3f599 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -24,6 +24,7 @@
 #include "code\__HELPERS\icons.dm"
 #include "code\__HELPERS\lists.dm"
 #include "code\__HELPERS\logging.dm"
+#include "code\__HELPERS\maths.dm"
 #include "code\__HELPERS\names.dm"
 #include "code\__HELPERS\sanitize_values.dm"
 #include "code\__HELPERS\text.dm"