diff --git a/bin/install_plugins b/bin/install_plugins
index c66b15b..2c1b434 100755
--- a/bin/install_plugins
+++ b/bin/install_plugins
@@ -8,7 +8,10 @@
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 SCRIPTS_DIR="$CURRENT_DIR/../scripts"
 
+source "$SCRIPTS_DIR/helpers/tpm_path.sh"
+
 main() {
+	set_tpm_path
 	"$SCRIPTS_DIR/install_plugins.sh" # has correct exit code
 }
 main
diff --git a/scripts/helpers/tpm_path.sh b/scripts/helpers/tpm_path.sh
new file mode 100644
index 0000000..7783306
--- /dev/null
+++ b/scripts/helpers/tpm_path.sh
@@ -0,0 +1,30 @@
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/../variables.sh"
+
+tpm_path_set() {
+	tmux show-environment -g "$DEFAULT_TPM_ENV_VAR_NAME" >/dev/null 2>&1
+}
+
+# Check if configuration file exists at an XDG-compatible location, if so use
+# that directory for TMUX_PLUGIN_MANAGER_PATH. Otherwise use $DEFAULT_TPM_PATH.
+set_default_tpm_path() {
+	local xdg_tmux_path="${XDG_CONFIG_HOME:-$HOME/.config}/tmux"
+	local tpm_path="$DEFAULT_TPM_PATH"
+
+	if [ -f "$xdg_tmux_path/tmux.conf" ]; then
+		tpm_path="$xdg_tmux_path/plugins/"
+	fi
+
+	tmux set-environment -g "$DEFAULT_TPM_ENV_VAR_NAME" "$tpm_path"
+}
+
+# Ensures TMUX_PLUGIN_MANAGER_PATH global env variable is set.
+#
+# Put this in `.tmux.conf` to override the default:
+# `set-environment -g TMUX_PLUGIN_MANAGER_PATH "/some/other/path/"`
+set_tpm_path() {
+	if ! tpm_path_set; then
+		set_default_tpm_path
+	fi
+}
diff --git a/tpm b/tpm
index 7ad4b99..c44896d 100755
--- a/tpm
+++ b/tpm
@@ -4,7 +4,7 @@ CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 BINDINGS_DIR="$CURRENT_DIR/bindings"
 SCRIPTS_DIR="$CURRENT_DIR/scripts"
 
-source "$SCRIPTS_DIR/variables.sh"
+source "$SCRIPTS_DIR/helpers/tpm_path.sh"
 
 get_tmux_option() {
 	local option="$1"
@@ -17,33 +17,6 @@ get_tmux_option() {
 	fi
 }
 
-tpm_path_set() {
-	tmux show-environment -g "$DEFAULT_TPM_ENV_VAR_NAME" >/dev/null 2>&1
-}
-
-# Check if configuration file exists at an XDG-compatible location, if so use
-# that directory for TMUX_PLUGIN_MANAGER_PATH. Otherwise use $DEFAULT_TPM_PATH.
-set_default_tpm_path() {
-	local xdg_tmux_path="${XDG_CONFIG_HOME:-$HOME/.config}/tmux"
-	local tpm_path="$DEFAULT_TPM_PATH"
-
-	if [ -f "$xdg_tmux_path/tmux.conf" ]; then
-		tpm_path="$xdg_tmux_path/plugins/"
-	fi
-
-	tmux set-environment -g "$DEFAULT_TPM_ENV_VAR_NAME" "$tpm_path"
-}
-
-# Ensures TMUX_PLUGIN_MANAGER_PATH global env variable is set.
-#
-# Put this in `.tmux.conf` to override the default:
-# `set-environment -g TMUX_PLUGIN_MANAGER_PATH "/some/other/path/"`
-set_tpm_path() {
-	if ! tpm_path_set; then
-		set_default_tpm_path
-	fi
-}
-
 # 1. Fetches plugin names from `@plugin` variables
 # 2. Creates full plugin path
 # 3. Sources all *.tmux files from each of the plugin directories