diff --git a/category.go b/category.go
index 0defa31713..d9e73a0bf0 100644
--- a/category.go
+++ b/category.go
@@ -15,7 +15,7 @@ func newCommandCategories() CommandCategories {
 }
 
 func (c *commandCategories) Less(i, j int) bool {
-	return lexicographicLess((*c)[i].Name(),  (*c)[j].Name() )
+	return lexicographicLess((*c)[i].Name(), (*c)[j].Name())
 }
 
 func (c *commandCategories) Len() int {
@@ -33,8 +33,8 @@ func (c *commandCategories) AddCommand(category string, command *Command) {
 			return
 		}
 	}
-	newVal := commandCategories(append(*c,
-		&commandCategory{name: category, commands: []*Command{command}}))
+	newVal := append(*c,
+		&commandCategory{name: category, commands: []*Command{command}})
 	*c = newVal
 }