diff --git a/types/joi/v10/tsconfig.json b/types/joi/v10/tsconfig.json
index 6cf65eaffd..1bd530aff0 100644
--- a/types/joi/v10/tsconfig.json
+++ b/types/joi/v10/tsconfig.json
@@ -7,6 +7,7 @@
         "noImplicitAny": true,
         "noImplicitThis": true,
         "strictNullChecks": false,
+        "strictFunctionTypes": false,
         "baseUrl": "../../",
         "typeRoots": [
             "../../"