diff --git a/gui/src/aaregui/panels/smart_rotation_panel.py b/gui/src/aaregui/panels/smart_rotation_panel.py
index e408e0c3..4118eb5d 100644
--- a/gui/src/aaregui/panels/smart_rotation_panel.py
+++ b/gui/src/aaregui/panels/smart_rotation_panel.py
@@ -297,7 +297,7 @@ class SimpleRotationSettingsPanel(QWidget):
 
         else:
             self.xtal_size_dose_rate_MGy_s = self.dose_rate_MGy_s
-        
+
         if self.temp_enter.value > 250:
             self.target_dose_MGy = 0.1 * d_tar / 2.0 #TODO add user input
         else:
@@ -315,9 +315,9 @@ class SimpleRotationSettingsPanel(QWidget):
             image_angle = 0.001
         self.n_images = round(total_angle / image_angle)
         self.image_time_s = self.total_time_s /  self.n_images
-        if self.image_time_s < 0.01:
-            self.transmission = self.image_time_s / 0.01
-            self.image_time_s = 0.01
+        if self.image_time_s < 0.0011:
+            self.transmission = self.image_time_s / 0.0011
+            self.image_time_s = 0.0011
         else:
             self.transmission = 1.0