diff --git a/Sources/Fluent/FluentProvider.swift b/Sources/Fluent/FluentProvider.swift
index 2ed580c4..dfc64bc3 100644
--- a/Sources/Fluent/FluentProvider.swift
+++ b/Sources/Fluent/FluentProvider.swift
@@ -27,15 +27,11 @@ public final class FluentProvider: Provider {
 
     public func willBoot(_ application: Application) throws {
         struct Signature: CommandSignature {
-            @Flag(
-                name: "auto-migrate",
-                help: "If true, Fluent will automatically migrate your database on boot")
-            var autoMigrate
+            @Flag(name: "auto-migrate", help: "If true, Fluent will automatically migrate your database on boot")
+            var autoMigrate: Bool
 
-            @Flag(
-                name: "auto-revert",
-                help: "If true, Fluent will automatically revert your database on boot")
-            var autoRevert
+            @Flag(name: "auto-revert", help: "If true, Fluent will automatically revert your database on boot")
+            var autoRevert: Bool
 
             init() { }
         }