diff --git a/src/types.ts b/src/types.ts
index ff264ec..4d05e88 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -41,6 +41,10 @@ export interface SetVariablesType {
   [variablesName: string]: any;
 }
 
+export interface SetVariablesType {
+  [variablesName: string]: any;
+}
+
 export type WhenCalledWithChain = {
   returns: (value?: ProgrammedReturnValue) => void;
   reverts: (reason?: string) => void;