diff --git a/.appveyor.yml b/.appveyor.yml
index ce24190660..5bf1c9c5cc 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -13,7 +13,8 @@ environment:
   DENO_THIRD_PARTY_PATH: $(APPVEYOR_BUILD_FOLDER)\third_party
   MTIME_CACHE_DB: $(APPVEYOR_BUILD_FOLDER)\mtime_cache.xml
   RELEASE_ARTIFACT: deno_win_x64.zip
-  RUST_DIR: $(USERPROFILE)\rust
+  # Renamed to fix an Appveyor cache bug (restoring old caches).
+  RUST_DIR: $(USERPROFILE)\xrust
   CARGO_HOME: $(RUST_DIR)\cargo
   RUSTUP_HOME: $(RUST_DIR)\rustup
   RUST_BACKTRACE: full