diff --git a/types/react-instantsearch-core/index.d.ts b/types/react-instantsearch-core/index.d.ts
index a4bc0b194a..0092feb370 100644
--- a/types/react-instantsearch-core/index.d.ts
+++ b/types/react-instantsearch-core/index.d.ts
@@ -73,7 +73,7 @@ export interface ConnectorDescription<TProvided, TExposed> {
     props: TExposed,
     searchState: SearchState,
     ...args: any[],
-  ): any;
+  ): SearchState;
 
   /**
    * This method applies the current props and state to the provided SearchParameters, and returns a new SearchParameters. The SearchParameters