diff --git a/scripts/simtest/config-patch b/scripts/simtest/config-patch
index 655ca6ce64adc..ed77e318c0453 100644
--- a/scripts/simtest/config-patch
+++ b/scripts/simtest/config-patch
@@ -1,7 +1,7 @@
-diff --git a/.cargo/config b/.cargo/config
+diff --git a/.cargo/config.toml b/.cargo/config.toml
 index ec2c459490..55985cbe9f 100644
---- a/.cargo/config
-+++ b/.cargo/config
+--- a/.cargo/config.toml
++++ b/.cargo/config.toml
 @@ -25,4 +25,4 @@ move-clippy = [
  ]