diff --git a/chirp/drivers/icw32.py b/chirp/drivers/icw32.py
index 0276a0c5..82689e03 100644
--- a/chirp/drivers/icw32.py
+++ b/chirp/drivers/icw32.py
@@ -100,6 +100,7 @@ def get_features(self):
         rf.valid_tmodes = ["", "Tone", "TSQL"]
         rf.valid_name_length = 8
         rf.valid_special_chans = sorted(_get_special().keys())
+        rf.valid_tuning_steps = [5.0, 10.0, 12.5, 15.0, 20.0, 25.0, 30.0, 50.0]
 
         rf.has_sub_devices = self.VARIANT == ""
         rf.has_ctone = True