diff --git a/addon/drule.d.ts b/addon/drule.d.ts
index beb7df68..ef4fde85 100644
--- a/addon/drule.d.ts
+++ b/addon/drule.d.ts
@@ -1,8 +1,8 @@
-import {CssLikeObject, TDynamicCss} from '../types/common';
+import {CssLikeObject} from '../types/common';
 import {NanoRenderer} from '../types/nano';
 
 export interface DruleAddon {
-    drule: (css: CssLikeObject, block?: string) => TDynamicCss;
+    drule: (css: CssLikeObject, block?: string) => (css?: CssLikeObject) => string;
 }
 
 export function addon(nano: NanoRenderer);