diff --git a/packages/hardhat-foundry/src/index.ts b/packages/hardhat-foundry/src/index.ts
index 68d1b061ae..a9f2eaf490 100644
--- a/packages/hardhat-foundry/src/index.ts
+++ b/packages/hardhat-foundry/src/index.ts
@@ -66,7 +66,7 @@ extendConfig((config, userConfig) => {
     config.paths.root,
     foundryConfig.cache_path
   );
-  if (config.paths.cache === foundryCachePath) {
+  if (config.paths.cache !== foundryCachePath) {
     config.paths.cache = "cache_hardhat";
   }