diff --git a/test-vm-providers/plain.sh b/test-vm-providers/plain.sh
index aa4277f6..a87220f8 100644
--- a/test-vm-providers/plain.sh
+++ b/test-vm-providers/plain.sh
@@ -1,3 +1,4 @@
 #!/usr/bin/zsh
 
-echo 'source /vagrant_data/powerlevel9k.zsh-theme' > ~/.zshrc
\ No newline at end of file
+echo 'LANG=en_US.UTF-8' !> ~/.zshrc
+echo 'source /vagrant_data/powerlevel9k.zsh-theme' >> ~/.zshrc
\ No newline at end of file