diff --git a/panda/src/linmath/coordinateSystem.cxx b/panda/src/linmath/coordinateSystem.cxx
index e614f5121f..372768724c 100644
--- a/panda/src/linmath/coordinateSystem.cxx
+++ b/panda/src/linmath/coordinateSystem.cxx
@@ -65,6 +65,13 @@ parse_coordinate_system_string(const string &str) {
   return CS_invalid;
 }
 
+string
+format_coordinate_system(CoordinateSystem cs) {
+  ostringstream strm;
+  strm << cs;
+  return strm.str();
+}
+
 bool
 is_right_handed(CoordinateSystem cs) {
   if (cs == CS_default) {
diff --git a/panda/src/linmath/coordinateSystem.h b/panda/src/linmath/coordinateSystem.h
index 59a73ccc44..f1f0edc98d 100644
--- a/panda/src/linmath/coordinateSystem.h
+++ b/panda/src/linmath/coordinateSystem.h
@@ -40,12 +40,12 @@ enum CoordinateSystem {
 };
 
 EXPCL_PANDA_LINMATH CoordinateSystem get_default_coordinate_system();
+EXPCL_PANDA_LINMATH CoordinateSystem parse_coordinate_system_string(const string &str);
+EXPCL_PANDA_LINMATH string format_coordinate_system(CoordinateSystem cs);
+EXPCL_PANDA_LINMATH bool is_right_handed(CoordinateSystem cs = CS_default);
 
 END_PUBLISH
 
-EXPCL_PANDA_LINMATH CoordinateSystem parse_coordinate_system_string(const string &str);
-EXPCL_PANDA_LINMATH bool is_right_handed(CoordinateSystem cs = CS_default);
-
 #define IS_LEFT_HANDED_COORDSYSTEM(cs) ((cs==CS_zup_left) || (cs==CS_yup_left))
 
 EXPCL_PANDA_LINMATH ostream &operator << (ostream &out, CoordinateSystem cs);