diff --git a/packages/hardhat-core/src/internal/core/config/config-loading.ts b/packages/hardhat-core/src/internal/core/config/config-loading.ts
index 9951b388e0..4d1cc90863 100644
--- a/packages/hardhat-core/src/internal/core/config/config-loading.ts
+++ b/packages/hardhat-core/src/internal/core/config/config-loading.ts
@@ -166,7 +166,7 @@ export function analyzeModuleNotFoundError(error: any, configPath: string) {
     .filter((x) => x.file !== null)
     .map((x) => x.file!)
     // ignore frame related to source maps support
-    .filter((x) => !x.includes("@cspotcode/source-map-support"))
+    .filter((x) => !x.includes(path.join("@cspotcode", "source-map-support")))
     .find((x) => path.isAbsolute(x));
 
   if (throwingFile === null || throwingFile === undefined) {