diff --git a/lib/src/Grid.dart b/lib/src/Grid.dart
index 528e170..22b9728 100644
--- a/lib/src/Grid.dart
+++ b/lib/src/Grid.dart
@@ -4,7 +4,7 @@ import 'dart:math' as math;
 import 'package:rules_of_living/src/Cell.dart';
 import 'package:rules_of_living/src/Rule.dart';
 
-enum Pattern { SpaceShip, Blinker }
+enum CellPattern { SpaceShip, Blinker }
 
 class Grid {
   final int w;
@@ -19,7 +19,7 @@ class Grid {
   int _y;
   int _amount;
   int _dispersal;
-  Pattern _pattern;
+  CellPattern _pattern;
 
   Grid(int w, int h)
       : this.w = w,
@@ -44,7 +44,7 @@ class Grid {
   }
 
   void addPattern(
-      {Pattern pattern, int x, int y, int amount, int dispersal, int seed}) {
+      {CellPattern pattern, int x, int y, int amount, int dispersal, int seed}) {
     _startingSeed = seed ?? DateTime.now().millisecondsSinceEpoch;
     math.Random rng = new math.Random(_startingSeed);
     _x = x;
@@ -58,7 +58,7 @@ class Grid {
       // Two blocks, offset
       // ##
       //   ##
-      case Pattern.Blinker:
+      case CellPattern.Blinker:
         setCellState(cx, cy, true);
         setCellState(cx + 1, cy, true);
         setCellState(cx, cy + 1, true);
@@ -73,7 +73,7 @@ class Grid {
       //   #
       //    #
       //  ###
-      case Pattern.SpaceShip:
+      case CellPattern.SpaceShip:
         setCellState(1 + cx, 0 + cy, true);
         setCellState(2 + cx, 1 + cy, true);
         setCellState(2 + cx, 2 + cy, true);