diff --git a/fs-extra/fs-extra-tests.ts b/fs-extra/fs-extra-tests.ts
index 32fc34d76d..c1785f851d 100644
--- a/fs-extra/fs-extra-tests.ts
+++ b/fs-extra/fs-extra-tests.ts
@@ -51,10 +51,41 @@ fs.copy(src, dest, errorCallback);
 fs.copy(src, dest, (src: string) => {
 	return false;
 }, errorCallback);
+fs.copy(src, dest,
+	{
+		clobber: true,
+		preserveTimestamps: true,
+		filter: (src: string) => {return false}
+	},
+	errorCallback
+);
+fs.copy(src, dest,
+	{
+		clobber: true,
+		preserveTimestamps: true,
+		filter: /.*/
+	},
+	errorCallback
+);
 fs.copySync(src, dest);
 fs.copySync(src, dest, (src: string) => {
 	return false;
 });
+fs.copySync(src, dest, /.*/);
+fs.copySync(src, dest,
+	{
+		clobber: true,
+		preserveTimestamps: true,
+		filter: (src: string) => {return false}
+	}
+);
+fs.copySync(src, dest,
+	{
+		clobber: true,
+		preserveTimestamps: true,
+		filter: /.*/
+	}
+);
 fs.createFile(file, errorCallback);
 fs.createFileSync(file);
 
diff --git a/fs-extra/fs-extra.d.ts b/fs-extra/fs-extra.d.ts
index 2813fac56b..b133047dec 100644
--- a/fs-extra/fs-extra.d.ts
+++ b/fs-extra/fs-extra.d.ts
@@ -42,10 +42,12 @@ declare module "fs-extra" {
 
 	//extended methods
 	export function copy(src: string, dest: string, callback?: (err: Error) => void): void;
-	export function copy(src: string, dest: string, filter: (src: string) => boolean, callback?: (err: Error) => void): void;
+	export function copy(src: string, dest: string, filter: CopyFilter, callback?: (err: Error) => void): void;
+	export function copy(src: string, dest: string, options: CopyOptions, callback?: (err: Error) => void): void;
 
 	export function copySync(src: string, dest: string): void;
-	export function copySync(src: string, dest: string, filter: (src: string) => boolean): void;
+	export function copySync(src: string, dest: string, filter: CopyFilter): void;
+	export function copySync(src: string, dest: string, options: CopyOptions): void;
 
 	export function createFile(file: string, callback?: (err: Error) => void): void;
 	export function createFileSync(file: string): void;
@@ -177,6 +179,18 @@ declare module "fs-extra" {
     export function emptyDir(path: string, callback?: (err: Error) => void): void;
     export function emptyDirSync(path: string): boolean;
 
+	export interface CopyFilterFunction {
+		(src: string): boolean
+	}
+
+	export type CopyFilter = CopyFilterFunction | RegExp;
+
+	export interface CopyOptions {
+		clobber?: boolean
+		preserveTimestamps?: boolean
+		filter?: CopyFilter
+	}
+
 	export interface OpenOptions {
 		encoding?: string;
 		flag?: string;