diff --git a/rpc-pool.go b/rpc-pool.go
index a7c1b24..aa78b88 100644
--- a/rpc-pool.go
+++ b/rpc-pool.go
@@ -107,7 +107,7 @@ func (p *RemoteGrainPool) findRemoteGrain(id CartId) *RemoteGrain {
 	p.mu.RLock()
 	grain, ok := p.grains[id]
 	p.mu.RUnlock()
-	if !ok {
+	if !ok || grain == nil {
 		return nil
 	}
 	grain.Connect()