diff --git a/docs/changing_plugins_install_dir.md b/docs/changing_plugins_install_dir.md
index 27de96d..dcacab7 100644
--- a/docs/changing_plugins_install_dir.md
+++ b/docs/changing_plugins_install_dir.md
@@ -1,8 +1,8 @@
 # Changing plugins install dir
 
 By default, TPM installs plugins in a subfolder named `plugins/` inside
-`$XDG_CONFIG_HOME/tmux/` if a `tmux.conf` file was found at that location, or
-inside `~/.tmux/` otherwise.
+`$XDG_CONFIG_HOME/tmux/` if that directory exists, or inside `~/.tmux/`
+otherwise.
 
 You can change the install path by putting this in `.tmux.conf`:
 
diff --git a/tpm b/tpm
index 7ad4b99..34f6b98 100755
--- a/tpm
+++ b/tpm
@@ -27,7 +27,7 @@ set_default_tpm_path() {
 	local xdg_tmux_path="${XDG_CONFIG_HOME:-$HOME/.config}/tmux"
 	local tpm_path="$DEFAULT_TPM_PATH"
 
-	if [ -f "$xdg_tmux_path/tmux.conf" ]; then
+	if [ -d "$xdg_tmux_path" ]; then
 		tpm_path="$xdg_tmux_path/plugins/"
 	fi