diff --git a/src/aare/daq/daq.py b/src/aare/daq/daq.py
index 71db8cc0..222b19ea 100644
--- a/src/aare/daq/daq.py
+++ b/src/aare/daq/daq.py
@@ -1617,6 +1617,7 @@ class AareDAQ:
 
         params = SimpleScanParameters()
 
+
         if (exp := getattr(aaredb_params, "exposure", None)) is not None:
             params.exp_time_s = exp
 
@@ -1630,12 +1631,13 @@ class AareDAQ:
             new_res = 1 / ((1 / res) + 0.01)
             corrected_dtz = self.diffraction_geometry.calc_dtz_mm(new_res)
             logger.debug(f"corrected dtz: {corrected_dtz}")
-            if corrected_dtz < self._devs.dtz_low:
-                logger.warning(
+            params.dtz = round(corrected_dtz)
+
+        if params.dtz < self._devs.dtz_low:
+            logger.warning(
                     f"Detector distance based on desired resolution cannot be reached, using minimum of {self._devs.dtz_low}."
                 )
-                corrected_dtz = self._devs.dtz_low
-            params.dtz = round(corrected_dtz)
+            params.dtz = self._devs.dtz_low
 
         osc = getattr(aaredb_params, "oscillation", None)
         total = getattr(aaredb_params, "totalrange", None)