diff --git a/instance-scripts/scripts/rust.sh b/instance-scripts/scripts/rust.sh
index 20ad98e49979deccb1345866933262b164e93547..ced5e9faf5737213b2e435945691ea851a7a2348 100644
--- a/instance-scripts/scripts/rust.sh
+++ b/instance-scripts/scripts/rust.sh
@@ -4,5 +4,5 @@
 # Install Rust
 #
 
-curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -- -y
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -y
 source "$HOME/.cargo/env"
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