diff --git a/builder.py b/builder.py
index 2826e1d..4a6f23b 100644
--- a/builder.py
+++ b/builder.py
@@ -1057,6 +1057,11 @@ class IntegerValue(OperatorMixin):
                     return self._temp(self.parent.builder.sext(self.value, ty))
             else:
                 return self._temp(self.parent.builder.trunc(self.value, ty))
+        elif _is_pointer(ty) and _is_int(self.type):
+            return self._temp(self.parent.builder.inttoptr(self.value, ty))
+        elif _is_int(ty) and _is_pointer(self.type):
+            return self._temp(self.parent.builder.ptrtoint(self.value, ty))
+
         raise CastError(self.type, ty)
 
 class RealValue(OperatorMixin):
diff --git a/shortnames.py b/shortnames.py
index 06221aa..2acd69d 100644
--- a/shortnames.py
+++ b/shortnames.py
@@ -14,6 +14,7 @@ float = Type.float()
 double = Type.double()
 
 npy_intp = minitypes.npy_intp.to_llvm(numba.decorators.context)
+py_ssize_t = minitypes.Py_ssize_t.to_llvm(numba.decorators.context)
 
 # pointers