diff --git a/container/container_windows.go b/container/container_windows.go
index 34b549fe91..11e255d82e 100644
--- a/container/container_windows.go
+++ b/container/container_windows.go
@@ -202,6 +202,6 @@ func (container *Container) ConfigsDirPath() string {
 }
 
 // ConfigFilePath returns the path to the on-disk location of a config.
-func (container *Container) ConfigFilePath(configRef swarmtypes.ConfigReference) string {
-	return filepath.Join(container.ConfigsDirPath(), configRef.ConfigID)
+func (container *Container) ConfigFilePath(configRef swarmtypes.ConfigReference) (string, error) {
+	return filepath.Join(container.ConfigsDirPath(), configRef.ConfigID), nil
 }
diff --git a/daemon/container_operations_windows.go b/daemon/container_operations_windows.go
index 6d84fe2dad..cc56bf4c79 100644
--- a/daemon/container_operations_windows.go
+++ b/daemon/container_operations_windows.go
@@ -55,7 +55,10 @@ func (daemon *Daemon) setupConfigDir(c *container.Container) (setupErr error) {
 			continue
 		}
 
-		fPath := c.ConfigFilePath(*configRef)
+		fPath, err := c.ConfigFilePath(*configRef)
+		if err != nil {
+			return errors.Wrap(err, "error getting config file path for container")
+		}
 		log := logrus.WithFields(logrus.Fields{"name": configRef.File.Name, "path": fPath})
 
 		log.Debug("injecting config")