diff --git a/src/travis/linux-arm64-before-install.sh b/src/travis/linux-arm64-before-install.sh
index 9790f3ba..9ecd9724 100755
--- a/src/travis/linux-arm64-before-install.sh
+++ b/src/travis/linux-arm64-before-install.sh
@@ -75,4 +75,4 @@ $pip install --upgrade pyinstaller
 
 mkdir ~/.ruby
 export GEM_HOME=~/.ruby
-export "$PATH:~/.ruby/bin"
+export PATH=$PATH:~/.ruby/bin