diff --git a/app/src/server.c b/app/src/server.c
index 3ad21511..367c55d8 100644
--- a/app/src/server.c
+++ b/app/src/server.c
@@ -80,6 +80,7 @@ static process_t execute_server(const char *serial,
                                 Uint16 max_size, Uint32 bit_rate,
                                 SDL_bool tunnel_forward, const char *crop,
                                 SDL_bool send_frame_meta) {
+    LOGD("tunnel_forward=%d\n", (int) tunnel_forward);
     char max_size_string[6];
     char bit_rate_string[11];
     sprintf(max_size_string, "%"PRIu16, max_size);
diff --git a/server/src/main/java/com/genymobile/scrcpy/Server.java b/server/src/main/java/com/genymobile/scrcpy/Server.java
index db15fb52..9c8627c5 100644
--- a/server/src/main/java/com/genymobile/scrcpy/Server.java
+++ b/server/src/main/java/com/genymobile/scrcpy/Server.java
@@ -64,6 +64,7 @@ public final class Server {
         }
         // use "adb forward" instead of "adb tunnel"? (so the server must listen)
         boolean tunnelForward = Boolean.parseBoolean(args[2]);
+        Ln.d("tunnelForward = " + tunnelForward);
         options.setTunnelForward(tunnelForward);
 
         if (args.length < 4) {
@@ -105,6 +106,8 @@ public final class Server {
             }
         });
 
+        Ln.d("args: " + Arrays.toString(args));
+
         Options options = createOptions(args);
         scrcpy(options);
     }