diff --git a/home/run_once_03install-gwar.sh.tmpl b/home/run_once_03install-gwar.sh.tmpl
index 7a663c2..f67145b 100644
--- a/home/run_once_03install-gwar.sh.tmpl
+++ b/home/run_once_03install-gwar.sh.tmpl
@@ -7,5 +7,7 @@ if [ ! -d $HOME/.src/gwar ] ; then
 fi
 
 cd $HOME/.src/gwar
+# belt-and-suspenders
+. $HOME/.cargo/env
 cargo build --release
 cp target/release/gwar ~/bin