diff --git a/app/src/main/jni/netguard/netguard.c b/app/src/main/jni/netguard/netguard.c
index 362dd18c..7eaca3a3 100644
--- a/app/src/main/jni/netguard/netguard.c
+++ b/app/src/main/jni/netguard/netguard.c
@@ -28,7 +28,7 @@
 #define MAXPKT 32678
 // TODO TCP parameters
 #define SELECTWAIT 10 // seconds
-#define TCPTIMEOUT 30 // seconds
+#define TCPTIMEOUT 300 // seconds
 #define TCPTTL 64
 #define TCPWINDOW 2048
 #define UIDDELAY 10 // milliseconds