diff --git a/siriuspy/siriuspy/VERSION b/siriuspy/siriuspy/VERSION
index 45cc88fca..1bd451f2b 100644
--- a/siriuspy/siriuspy/VERSION
+++ b/siriuspy/siriuspy/VERSION
@@ -1 +1 @@
-2.79.0
+2.79.1
diff --git a/siriuspy/siriuspy/injctrl/csdev.py b/siriuspy/siriuspy/injctrl/csdev.py
index c3f32d4be..c0337dc92 100644
--- a/siriuspy/siriuspy/injctrl/csdev.py
+++ b/siriuspy/siriuspy/injctrl/csdev.py
@@ -228,11 +228,11 @@ def get_injctrl_propty_database():
             'type': 'int', 'value': 864, 'unit': 'bucket index',
             'lolim': _ct.MIN_BKT, 'hilim': _ct.MAX_BKT},
         'BucketListStep-SP': {
-            'type': 'int', 'value': 15, 'unit': 'buckets',
-            'lolim': -_ct.MAX_BKT+1, 'hilim': _ct.MAX_BKT-1},
+            'type': 'int', 'value': 29, 'unit': 'buckets',
+            'lolim': -_ct.MAX_BKT, 'hilim': _ct.MAX_BKT},
         'BucketListStep-RB': {
-            'type': 'int', 'value': 15, 'unit': 'buckets',
-            'lolim': -_ct.MAX_BKT+1, 'hilim': _ct.MAX_BKT-1},
+            'type': 'int', 'value': 29, 'unit': 'buckets',
+            'lolim': -_ct.MAX_BKT, 'hilim': _ct.MAX_BKT},
         'IsInjecting-Mon': {
             'type': 'enum', 'value': _ct.IdleInjecting.Idle,
             'enums': _et.IDLEINJECTING, 'unit': 'Idle_Inj'},
diff --git a/siriuspy/siriuspy/injctrl/main.py b/siriuspy/siriuspy/injctrl/main.py
index f1e05a470..26c0269d6 100644
--- a/siriuspy/siriuspy/injctrl/main.py
+++ b/siriuspy/siriuspy/injctrl/main.py
@@ -446,7 +446,7 @@ def set_mode(self, value):
 
             if self._pumode != _Const.PUMode.Accumulation:
                 self._update_log('ERR:Set PUMode to Accumulation before')
-                self._update_log('ERR:changing mode to {stg}')
+                self._update_log(f'ERR:changing mode to {stg:s}')
                 return False
 
             self._update_log('Configuring EVG RepeatBucketList...')
@@ -650,7 +650,10 @@ def set_bucketlist_stop(self, stop):
 
     def set_bucketlist_step(self, step):
         """Set bucketlist_step."""
-        if not -_Const.MAX_BKT+1 <= step <= _Const.MAX_BKT-1:
+        if not -_Const.MAX_BKT <= step <= _Const.MAX_BKT:
+            return False
+        if step == 0:
+            self._update_log('ERR:Bucket list step must not be zero.')
             return False
         if self._mode != _Const.InjMode.Decay:
             if not self._update_bucket_list(step=step):