diff --git a/install/livebook-install.sh b/install/livebook-install.sh
index d1521c1b..7db27a3f 100644
--- a/install/livebook-install.sh
+++ b/install/livebook-install.sh
@@ -40,9 +40,9 @@ ELIXIR_VERSION=$(ls /opt/.elixir-install/installs/elixir/ | head -n1)
 # TODO remove
 echo "Found Erlang version: $ERLANG_VERSION"
 echo "Found Elixir version: $ELIXIR_VERSION"
-export ERLANG_BIN="/opt/.elixir-install/installs/otp/\${ERLANG_VERSION}/bin"
-export ELIXIR_BIN="/opt/.elixir-install/installs/elixir/\${ELIXIR_VERSION}/bin"
-export PATH=$ERLANG_BIN:$ELIXIR_BIN:$PATH
+export ERLANG_BIN="/opt/.elixir-install/installs/otp/$ERLANG_VERSION/bin"
+export ELIXIR_BIN="/opt/.elixir-install/installs/elixir/$ELIXIR_VERSION/bin"
+export PATH="$ERLANG_BIN:$ELIXIR_BIN:$PATH"
 
 $STD mix local.hex --force
 $STD mix local.rebar --force