diff --git a/dgraph/cmd/zero/run.go b/dgraph/cmd/zero/run.go
index 4c59eb28fa5..e4d62d787b1 100644
--- a/dgraph/cmd/zero/run.go
+++ b/dgraph/cmd/zero/run.go
@@ -186,7 +186,7 @@ func run() {
 	}
 
 	if opts.nodeId == 0 {
-		log.Fatalf("ERROR: Cannot idx flag cannot be 0. Please try again with idx as a positive integer")
+		log.Fatalf("ERROR: idx flag cannot be 0. Please try again with idx as a positive integer")
 	}
 
 	x.WorkerConfig = x.WorkerOptions{