diff --git a/tools/ci/build_auxmos.sh b/tools/ci/build_auxmos.sh
index 2e8a7006395c..c8e541b89eec 100644
--- a/tools/ci/build_auxmos.sh
+++ b/tools/ci/build_auxmos.sh
@@ -15,7 +15,9 @@ fi
 git fetch origin --depth=1 $AUXMOS_VERSION
 git reset --hard FETCH_HEAD
 
+sudo apt install g++-multilib -y
 rustup target add i686-unknown-linux-gnu
+
 cargo build --release --target=i686-unknown-linux-gnu --features "all_reaction_hooks,katmos"
 cp target/release/libauxmos.so ~
 ldd ~/libauxmos.so