diff --git a/main.go b/main.go
index 0b93aea..86a8543 100644
--- a/main.go
+++ b/main.go
@@ -33,14 +33,16 @@ func main() {
 	defer panicExit()
 
 	// parse command line arguments
-	var versionFlag = flag.Bool("v", false, "output version information and exit")
-	var helpFlag = flag.Bool("h", false, "display this help dialog")
-	var filterFlag = flag.String("f", "", "filter containers")
-	var activeOnlyFlag = flag.Bool("a", false, "show active containers only")
-	var sortFieldFlag = flag.String("s", "", "select container sort field")
-	var reverseSortFlag = flag.Bool("r", false, "reverse container sort order")
-	var invertFlag = flag.Bool("i", false, "invert default colors")
-	var connectorFlag = flag.String("connector", "docker", "container connector to use")
+	var (
+		versionFlag     = flag.Bool("v", false, "output version information and exit")
+		helpFlag        = flag.Bool("h", false, "display this help dialog")
+		filterFlag      = flag.String("f", "", "filter containers")
+		activeOnlyFlag  = flag.Bool("a", false, "show active containers only")
+		sortFieldFlag   = flag.String("s", "", "select container sort field")
+		reverseSortFlag = flag.Bool("r", false, "reverse container sort order")
+		invertFlag      = flag.Bool("i", false, "invert default colors")
+		connectorFlag   = flag.String("connector", "docker", "container connector to use")
+	)
 	flag.Parse()
 
 	if *versionFlag {