diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 2189a26bbe64..8d1547f5dc8e 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -714,7 +714,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
 	}
 
 	if (!verify_command_idx(command, extended_command)) {
-		ret = -EINVAL;
+		ret = -EOPNOTSUPP;
 		goto out;
 	}