diff --git a/install.sh b/install.sh
index 0ddf2c4..33567bd 100755
--- a/install.sh
+++ b/install.sh
@@ -155,5 +155,5 @@ if $TMUX; then
 
     ln -s $PWD/tmux $XDG_CONFIG_HOME/tmux
     git clone https://github.com/tmux-plugins/tpm $XDG_DATA_HOME/tmux/plugins/tpm
-    $XDG_DATA_HOME/tmux/plugins/tpm/bin/install_plugins
+    zsh -c "$XDG_DATA_HOME/tmux/plugins/tpm/bin/install_plugins"
 fi