diff --git a/command/agent/command.go b/command/agent/command.go
index 963c5b2be7a9..5eb00f709bb3 100644
--- a/command/agent/command.go
+++ b/command/agent/command.go
@@ -393,8 +393,9 @@ func (c *Command) setupAgent(config *Config, logOutput io.Writer, inmem *metrics
 	}
 	c.httpServer = http
 
-	// Setup update checking
-	if config.DisableUpdateCheck != nil && *config.DisableUpdateCheck {
+	// If DisableUpdateCheck is not enabled, set up update checking
+	// (DisableUpdateCheck is false by default)
+	if config.DisableUpdateCheck != nil && !*config.DisableUpdateCheck {
 		version := config.Version.Version
 		if config.Version.VersionPrerelease != "" {
 			version += fmt.Sprintf("-%s", config.Version.VersionPrerelease)