diff --git a/gruvbox-tpm.tmux b/gruvbox-tpm.tmux
index 299f226..9223b6f 100755
--- a/gruvbox-tpm.tmux
+++ b/gruvbox-tpm.tmux
@@ -5,21 +5,21 @@ THEME_OPTION="@tmux-gruvbox"
 DEFAULT_THEME="dark"
 
 get_theme() {
-	local option="$1"
-	local default_value="$2"
-	local option_value
-  option_value=$(tmux show-option -gqv "$option")
-	if [ -z "$option_value" ]; then
-		echo "$default_value"
-	else
-		echo "$option_value"
-	fi
+    local option="$1"
+    local default_value="$2"
+    local option_value
+    option_value=$(tmux show-option -gqv "$option")
+    if [ -z "$option_value" ]; then
+        echo "$default_value"
+    else
+        echo "$option_value"
+    fi
 }
 
 main() {
-	local theme
-  theme=$(get_theme "$THEME_OPTION" "$DEFAULT_THEME")
-	tmux source-file "$CURRENT_DIR/tmux-gruvbox-${theme}.conf"
+    local theme
+    theme=$(get_theme "$THEME_OPTION" "$DEFAULT_THEME")
+    tmux source-file "$CURRENT_DIR/tmux-gruvbox-${theme}.conf"
 }
 
 main