diff --git a/core/constants.py b/core/constants.py
index c7294a5..a3a09ac 100644
--- a/core/constants.py
+++ b/core/constants.py
@@ -33,7 +33,7 @@ SIGS = [
 # Modes. Note "DIGI" and "DIGITAL" are also supported but are normalised into "DATA".
 CW_MODES = ["CW"]
 PHONE_MODES = ["PHONE", "SSB", "USB", "LSB", "AM", "FM", "DV", "DMR", "DSTAR", "C4FM", "M17"]
-DATA_MODES = ["DATA", "FT8", "FT4", "RTTY", "SSTV", "JS8", "HELL", "BPSK", "PSK", "PSK31", "BPSK31", "OLIVIA", "MFSK", "MFSK32"]
+DATA_MODES = ["DATA", "FT8", "FT4", "RTTY", "SSTV", "JS8", "HELL", "BPSK", "PSK", "PSK31", "BPSK31", "OLIVIA", "MFSK", "MFSK32", "PKT"]
 ALL_MODES = CW_MODES + PHONE_MODES + DATA_MODES
 MODE_TYPES = ["CW", "PHONE", "DATA"]