diff --git a/pkg/kubectl/cmd/cmd.go b/pkg/kubectl/cmd/cmd.go
index c82950e60d3..bb4231249f0 100644
--- a/pkg/kubectl/cmd/cmd.go
+++ b/pkg/kubectl/cmd/cmd.go
@@ -152,6 +152,7 @@ Find more information at https://github.com/kubernetes/kubernetes.`,
 	}
 
 	f.BindFlags(cmds.PersistentFlags())
+	f.BindExternalFlags(cmds.PersistentFlags())
 
 	// From this point and forward we get warnings on flags that contain "_" separators
 	cmds.SetGlobalNormalizationFunc(util.WarnWordSepNormalizeFunc)
diff --git a/pkg/kubectl/cmd/util/factory.go b/pkg/kubectl/cmd/util/factory.go
index abbdb2880e3..a92ddd1ddbc 100644
--- a/pkg/kubectl/cmd/util/factory.go
+++ b/pkg/kubectl/cmd/util/factory.go
@@ -585,9 +585,6 @@ func (f *Factory) Command() string {
 
 // BindFlags adds any flags that are common to all kubectl sub commands.
 func (f *Factory) BindFlags(flags *pflag.FlagSet) {
-	// any flags defined by external projects (not part of pflags)
-	flags.AddGoFlagSet(flag.CommandLine)
-
 	// Merge factory's flags
 	flags.AddFlagSet(f.flags)
 
@@ -602,6 +599,12 @@ func (f *Factory) BindFlags(flags *pflag.FlagSet) {
 	flags.SetNormalizeFunc(util.WordSepNormalizeFunc)
 }
 
+// BindCommonFlags adds any flags defined by external projects (not part of pflags)
+func (f *Factory) BindExternalFlags(flags *pflag.FlagSet) {
+	// any flags defined by external projects (not part of pflags)
+	flags.AddGoFlagSet(flag.CommandLine)
+}
+
 func getPorts(spec api.PodSpec) []string {
 	result := []string{}
 	for _, container := range spec.Containers {