diff -r 20d2ed3af73d -r 9e18ec63eec3 src/parser.cpp
--- a/src/parser.cpp	Sun Nov 03 18:13:38 2019 +0200
+++ b/src/parser.cpp	Sun Nov 03 18:17:08 2019 +0200
@@ -24,8 +24,9 @@
 #include "linetypes/errorline.h"
 #include "linetypes/metacommand.h"
 #include "linetypes/object.h"
-#include "linetypes/polygon.h"
+#include "linetypes/quadrilateral.h"
 #include "linetypes/subfilereference.h"
+#include "linetypes/triangle.h"
 
 struct BodyParseError
 {