diff --git a/cmd/kube-controller-manager/app/controllermanager.go b/cmd/kube-controller-manager/app/controllermanager.go
index a26b3e84aa4..6fd08cfdc06 100644
--- a/cmd/kube-controller-manager/app/controllermanager.go
+++ b/cmd/kube-controller-manager/app/controllermanager.go
@@ -166,7 +166,7 @@ func Run(c *config.CompletedConfig, stopCh <-chan struct{}) error {
 	if cfgz, err := configz.New(ConfigzName); err == nil {
 		cfgz.Set(c.ComponentConfig)
 	} else {
-		klog.Errorf("unable to register configz: %c", err)
+		klog.Errorf("unable to register configz: %v", err)
 	}
 
 	// Setup any healthz checks we will want to use.