diff --git a/govc/test/namespace.bats b/govc/test/namespace.bats
index c0d951a9c..8b6e0b128 100755
--- a/govc/test/namespace.bats
+++ b/govc/test/namespace.bats
@@ -146,6 +146,22 @@ load test_helper
     assert_equal "1" $(echo $ns | jq -r '."vm_service_spec"."vm_classes"' | jq length)
     assert_equal "class1" $(echo $ns | jq -r '."vm_service_spec"."vm_classes"[0]')
 
+    run govc namespace.update -content-libraries=lib3 test-namespace-1
+    assert_success
+
+    ns=$(govc namespace.info test-namespace-1 | jq)
+    assert_equal "1" $(echo $ns | jq -r '."vm_service_spec"."content_libraries"' | jq length)
+    assert_equal "lib3" $(echo $ns | jq -r '."vm_service_spec"."content_libraries"[0]')
+    assert_equal "0" $(echo $ns | jq -r '."vm_service_spec"."vm_classes"' | jq length)
+
+    run govc namespace.update -vm-classes=class3 test-namespace-1
+    assert_success
+
+    ns=$(govc namespace.info test-namespace-1 | jq)
+    assert_equal "0" $(echo $ns | jq -r '."vm_service_spec"."content_libraries"' | jq length)
+    assert_equal "1" $(echo $ns | jq -r '."vm_service_spec"."vm_classes"' | jq length)
+    assert_equal "class3" $(echo $ns | jq -r '."vm_service_spec"."vm_classes"[0]')
+
     run govc namespace.update -content-libraries=lib1,lib2 -vm-classes=class1 non-existing-namespace
     assert_failure
     assert_matches "404 Not Found"