diff --git a/daemon/health.go b/daemon/health.go
index fedc7efca7..e9efebed63 100644
--- a/daemon/health.go
+++ b/daemon/health.go
@@ -160,7 +160,6 @@ func (p *cmdProbe) run(ctx context.Context, d *Daemon, cntr *container.Container
 		info.Lock()
 		defer info.Unlock()
 		if info.ExitCode == nil {
-			info.Unlock()
 			return 0, fmt.Errorf("healthcheck for container %s has no exit code", cntr.ID)
 		}
 		return *info.ExitCode, nil