diff --git a/command/maint.go b/command/maint.go
index 4c89c3482..e1319db52 100644
--- a/command/maint.go
+++ b/command/maint.go
@@ -78,10 +78,14 @@ func (c *MaintCommand) Run(args []string) int {
 		c.Ui.Error("Only one of -enable or -disable may be provided")
 		return 1
 	}
-	if disable && reason != "" {
+	if !enable && reason != "" {
 		c.Ui.Error("Reason may only be provided with -enable")
 		return 1
 	}
+	if !enable && !disable && serviceID != "" {
+		c.Ui.Error("Service requires either -enable or -disable")
+		return 1
+	}
 
 	// Create and test the HTTP client
 	conf := api.DefaultConfig()
@@ -103,7 +107,7 @@ func (c *MaintCommand) Run(args []string) int {
 		// List mode - list nodes/services in maintenance mode
 		checks, err := a.Checks()
 		if err != nil {
-			c.Ui.Output(fmt.Sprintf("Error getting checks: %s", err))
+			c.Ui.Error(fmt.Sprintf("Error getting checks: %s", err))
 			return 1
 		}
 
diff --git a/command/maint_test.go b/command/maint_test.go
index 7b60f2b0d..92bf02b76 100644
--- a/command/maint_test.go
+++ b/command/maint_test.go
@@ -23,6 +23,14 @@ func TestMaintCommandRun_ConflictingArgs(t *testing.T) {
 	if code := c.Run([]string{"-disable", "-reason=broken"}); code != 1 {
 		t.Fatalf("expected return code 1, got %d", code)
 	}
+
+	if code := c.Run([]string{"-reason=broken"}); code != 1 {
+		t.Fatalf("expected return code 1, got %d", code)
+	}
+
+	if code := c.Run([]string{"-service=redis"}); code != 1 {
+		t.Fatalf("expected return code 1, got %d", code)
+	}
 }
 
 func TestMaintCommandRun_NoArgs(t *testing.T) {