1 files changed, 1 insertions, 1 deletions

diff --git a/core/packages/install_rust.sh b/core/packages/install_rust.sh
index 921a533..a0b0728 100755
--- a/core/packages/install_rust.sh
+++ b/core/packages/install_rust.sh
@@ -2,6 +2,6 @@
 
 # Install Rust and Cargo tools
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-echo '[ -f "$HOME/.cargo/env" ] && source "$HOME/.cargo/env"' >> ~/.bashrc
+grep -q 'cargo/env' ~/.bashrc || echo '[ -f "$HOME/.cargo/env" ] && source "$HOME/.cargo/env"' >> ~/.bashrc
 source "$HOME/.cargo/env"
 cargo install cargo-clone-crate cargo-edit cargo-info evcxr_jupyter bacon du-dust ripgrep bandwhich