diff --git a/instance-scripts/scripts/rust.sh b/instance-scripts/scripts/rust.sh
index 3d0fda9ebbc4c09be2c92d8abb8dea24e8046d55..21df85f4b32fe2ead4be19dd72266633f1436f47 100644
--- a/instance-scripts/scripts/rust.sh
+++ b/instance-scripts/scripts/rust.sh
@@ -5,4 +5,4 @@
 #
 
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-source $HOME/.cargo/env
\ No newline at end of file
+source "$HOME/.cargo/env"
\ No newline at end of file