diff --git a/src/config.ts b/src/config.ts
index 81cd6db..90da9a9 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -36,7 +36,7 @@ class ClientConfig {
   /**
    * Number of tiles to keep in cache
    */
-  public cacheSize: number = 200;
+  public tileCacheSize: number = 200;
 
   public bufferToPixelData: BufferToPixelDataFunction | null;
 
diff --git a/src/tiledecoding.ts b/src/tiledecoding.ts
index 4eefb97..86dd2e6 100644
--- a/src/tiledecoding.ts
+++ b/src/tiledecoding.ts
@@ -61,7 +61,7 @@ let tileCache = null;
  */
 export function getTileCache(): QuickLRU<string, PixelData> {
   if (!tileCache) {
-    tileCache = new QuickLRU({ maxSize: config.cacheSize });
+    tileCache = new QuickLRU({ maxSize: config.tileCacheSize });
   }
   return tileCache;
 }