diff --git a/src/file_system.c b/src/file_system.c
index 74a3049..d9914a2 100644
--- a/src/file_system.c
+++ b/src/file_system.c
@@ -65,6 +65,7 @@
 // char waver_tag[METADATA_TAG_LENGTH] = "wvr_magic_13"; // v1.x.x 
 // char waver_tag[METADATA_TAG_LENGTH] = "wvr_magic_14"; // v2.x.x
 char waver_tag[METADATA_TAG_LENGTH] = "wvr_magic_15"; // v3.x.x
+// char waver_tag[METADATA_TAG_LENGTH] = "wvr_magic_16"; // v4.x.x
 
 static const char* TAG = "file_system";
 
diff --git a/src/file_system.h b/src/file_system.h
index e1874c1..dabe5c2 100644
--- a/src/file_system.h
+++ b/src/file_system.h
@@ -110,8 +110,8 @@ struct metadata_t {
     uint8_t pitch_bend_semitones_up;
     uint8_t pitch_bend_semitones_down;
     uint8_t do_station_mode;
-    char station_ssid[20];
-    char station_passphrase[20];
+    char station_ssid[30];
+    char station_passphrase[30];
 };
 
 struct vol_t {