diff --git a/Sources/FoundationNetworking/URLCache.swift b/Sources/FoundationNetworking/URLCache.swift
index e74805e049..0da13d8f3e 100644
--- a/Sources/FoundationNetworking/URLCache.swift
+++ b/Sources/FoundationNetworking/URLCache.swift
@@ -350,6 +350,18 @@ open class URLCache : NSObject {
         }
     }
     
+    /*!
+        @method initWithMemoryCapacity:diskCapacity:directoryURL:
+        @abstract Initializes an NSURLCache with the given capacity and directory.
+        @param memoryCapacity the capacity, measured in bytes, for the cache in memory. Or 0 to disable memory cache.
+        @param diskCapacity the capacity, measured in bytes, for the cache on disk. Or 0 to disable disk cache.
+        @param directoryURL the path to a directory on disk where the cache data is stored. Or nil for default directory.
+        @result an initialized NSURLCache, with the given capacity, optionally backed by disk.
+    */
+    public convenience init(memoryCapacity: Int, diskCapacity: Int, directory: URL? = nil) {
+        self.init(memoryCapacity: memoryCapacity, diskCapacity: diskCapacity, diskPath: directory?.path)
+    }
+
     private func identifier(for request: URLRequest) -> String? {
         guard let url = request.url else { return nil }