diff --git a/.cargo/config_fast_builds.toml b/.cargo/config_fast_builds.toml
index 372a97d37090c..07a987e4f841f 100644
--- a/.cargo/config_fast_builds.toml
+++ b/.cargo/config_fast_builds.toml
@@ -134,6 +134,7 @@ rustflags = [
 # rustup component add llvm-tools
 # ```
 linker = "rust-lld.exe"
+rustdocflags = ["-Clinker=rust-lld.exe"]
 rustflags = [
   # Nightly
   # "-Zshare-generics=y",