diff --git a/charmorigin.go b/charmorigin.go
index aff6164..bafdb88 100644
--- a/charmorigin.go
+++ b/charmorigin.go
@@ -48,11 +48,20 @@ type charmOrigin struct {
 	Platform_ string `yaml:"platform"`
 }
 
+const (
+	defaultKubernetesPlatform = "unknown/kubernetes/kubernetes"
+	kubernetesSeries          = "kubernetes"
+)
+
 func platformFromSeries(s string) (string, error) {
 	if s == "" {
 		return "", errors.New("cannot convert empty series to a platform")
 	}
 
+	if s == kubernetesSeries {
+		return defaultKubernetesPlatform, nil
+	}
+
 	os, err := series.GetOSFromSeries(s)
 	if err != nil {
 		return "", fmt.Errorf("extracting os from series %q: %w", s, err)
diff --git a/charmorigin_test.go b/charmorigin_test.go
index d175fc9..698b947 100644
--- a/charmorigin_test.go
+++ b/charmorigin_test.go
@@ -167,6 +167,10 @@ func (s *CharmOriginSerializationSuite) TestPlatformFromSeries(c *gc.C) {
 			expectedVal: "unknown/windows/win2008r2",
 			series:      "win2008r2",
 		},
+		{
+			expectedVal: "unknown/kubernetes/kubernetes",
+			series:      "kubernetes",
+		},
 	}
 
 	for _, test := range tests {