diff --git a/slirp/tftp.h b/slirp/tftp.h
index 87adeb5333..e1cc24b9bf 100644
--- a/slirp/tftp.h
+++ b/slirp/tftp.h
@@ -2,7 +2,7 @@
 #ifndef SLIRP_TFTP_H
 #define SLIRP_TFTP_H 1
 
-#define TFTP_SESSIONS_MAX 3
+#define TFTP_SESSIONS_MAX 20
 
 #define TFTP_SERVER	69