diff --git a/pkg/api/handlers/compat/ping.go b/pkg/api/handlers/compat/ping.go
index ce32d9b7c0..94d2099cdd 100644
--- a/pkg/api/handlers/compat/ping.go
+++ b/pkg/api/handlers/compat/ping.go
@@ -3,6 +3,7 @@ package compat
 import (
 	"fmt"
 	"net/http"
+	"runtime"
 
 	"github.com/containers/buildah"
 )
@@ -18,6 +19,7 @@ func Ping(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Builder-Version", "")
 	w.Header().Set("Docker-Experimental", "true")
 	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("OSType", runtime.GOOS)
 	w.Header().Set("Pragma", "no-cache")
 
 	w.Header().Set("Libpod-Buildah-Version", buildah.Version)
diff --git a/test/apiv2/01-basic.at b/test/apiv2/01-basic.at
index c4183eda9e..ddb2e6e44b 100644
--- a/test/apiv2/01-basic.at
+++ b/test/apiv2/01-basic.at
@@ -11,6 +11,7 @@ t GET  /libpod/_ping 200 OK
 t HEAD /libpod/_ping 200
 
 t GET  _ping        200 OK
+like "$(<$WORKDIR/curl.headers.out)" $'.*\nOstype: ' "#19767 - undocumented part of docker API"
 t HEAD _ping        200
 t GET  libpod/_ping 200 OK
 t HEAD libpod/_ping 200