diff --git a/klippy/extras/tmc2660.py b/klippy/extras/tmc2660.py
index 1ff1b501..c894ed36 100644
--- a/klippy/extras/tmc2660.py
+++ b/klippy/extras/tmc2660.py
@@ -232,6 +232,7 @@ class TMC2660:
     def __init__(self, config):
         # Setup mcu communication
         self.fields = tmc.FieldHelper(Fields, SignedFields, FieldFormatters)
+        self.fields.set_field("SDOFF", 0) # Access DRVCTRL in step/dir mode
         self.mcu_tmc = MCU_TMC2660_SPI(config, Registers, self.fields)
         # Register commands
         cmdhelper = tmc.TMCCommandHelper(config, self.mcu_tmc)
@@ -272,8 +273,6 @@ class TMC2660:
         set_config_field(config, "SLPL", 0)
         set_config_field(config, "DISS2G", 0)
         set_config_field(config, "TS2G", 3)
-        self.fields.set_field("RDSEL", 0) # needed for phase calculations
-        self.fields.set_field("SDOFF", 0) # only step/dir mode supported
 
     def query_registers(self, print_time=0.):
         return [(reg_name, self.mcu_tmc.get_register(reg_name))