diff --git a/api/swagger.yaml b/api/swagger.yaml
index bc4f669a7d..c558c1c7ce 100644
--- a/api/swagger.yaml
+++ b/api/swagger.yaml
@@ -1195,6 +1195,7 @@ definitions:
               - "default"
               - "process"
               - "hyperv"
+              - ""
           MaskedPaths:
             type: "array"
             description: |
@@ -4219,6 +4220,7 @@ definitions:
               - "default"
               - "process"
               - "hyperv"
+              - ""
           Init:
             description: |
               Run an init inside the container that forwards signals and reaps
@@ -5804,6 +5806,7 @@ definitions:
           - "default"
           - "hyperv"
           - "process"
+          - ""
       InitBinary:
         description: |
           Name and, optional, path of the `docker-init` binary.