diff --git a/src/ci/run.sh b/src/ci/run.sh
index 9f39ad9c55c54..8e2f525db68fc 100755
--- a/src/ci/run.sh
+++ b/src/ci/run.sh
@@ -179,9 +179,7 @@ else
   fi
 
   if [ "$NO_DOWNLOAD_CI_RUSTC" = "" ]; then
-    # disabled for now, see https://github.com/rust-lang/rust/issues/131658
-    #RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.download-rustc=if-unchanged"
-    true
+    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.download-rustc=if-unchanged"
   fi
 fi