diff --git a/types/jss/index.d.ts b/types/jss/index.d.ts
index 27c8d779a6..3318f9a565 100644
--- a/types/jss/index.d.ts
+++ b/types/jss/index.d.ts
@@ -104,13 +104,13 @@ export interface RuleOptions {
 	className: string;
 }
 export declare class SheetsRegistry {
-    constructor();
-    registry: ReadonlyArray<StyleSheet>;
-    readonly index: number;
-    add(sheet: StyleSheet): void;
-    reset(): void;
-    remove(sheet: StyleSheet): void;
-    toString(options?: ToCssOptions): string;
+	constructor();
+	registry: ReadonlyArray<StyleSheet>;
+	readonly index: number;
+	add(sheet: StyleSheet): void;
+	reset(): void;
+	remove(sheet: StyleSheet): void;
+	toString(options?: ToCssOptions): string;
 }
 export type CreateStyleSheetOptions<Name extends string = any> = Partial<{
 	media: string;
@@ -121,7 +121,7 @@ export type CreateStyleSheetOptions<Name extends string = any> = Partial<{
 	generateClassName: GenerateClassName<Name>;
 	classNamePrefix: string;
 }>;
-declare class JSS {
+export declare class JSS {
 	constructor(options?: Partial<JSSOptions>);
 	createStyleSheet<Name extends string>(
 		styles: Partial<Styles<Name>>,