diff --git a/mathgenerator/funcs/__init__.py b/mathgenerator/funcs/__init__.py
index bf59c56..bbe9a87 100644
--- a/mathgenerator/funcs/__init__.py
+++ b/mathgenerator/funcs/__init__.py
@@ -94,4 +94,5 @@ from .degree_to_rad import *
 from .radian_to_deg import *
 from .differentiation import *
 from .definite_integral import *
-from .isprime import *
\ No newline at end of file
+from .isprime import *
+from .perimeter_of_polygons import *