diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h
index 6b0d5f1fe85ca5..aeca0f46068f07 100644
--- a/fs/smb/server/smb_common.h
+++ b/fs/smb/server/smb_common.h
@@ -200,7 +200,7 @@ struct smb_hdr {
 struct smb_negotiate_req {
 	struct smb_hdr hdr;     /* wct = 0 */
 	__le16 ByteCount;
-	unsigned char DialectsArray[1];
+	unsigned char DialectsArray[];
 } __packed;
 
 struct smb_negotiate_rsp {