diff --git a/main.sh b/main.sh
index 7f9a4bf..221095c 100755
--- a/main.sh
+++ b/main.sh
@@ -14,7 +14,7 @@ cd cosmic-settings
 
 # Get build deps
 sed -i '/^\s*\(cargo\|rustc\|rust-all\)\s*\(([^)]*)\)\?\s*,\?$/d; s/,\s*\(cargo\|rustc\|rust-all\)\s*\(([^)]*)\)\?\s*,\?//g' ./debian/control
-sed -i '2i. "/root/.cargo/env"' ./debian/rules
+sed -i '2i$(shell . /root/.cargo/env)' ./debian/rules
 apt-get build-dep ./ -y
 apt-get install curl -y
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | CARGO_HOME=/root/.cargo sh -s -- -y