diff --git a/src/main/java/org/micromanager/lightsheetmanager/LightSheetManagerPlugin.java b/src/main/java/org/micromanager/lightsheetmanager/LightSheetManagerPlugin.java
index ce43e78..0cb88d9 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/LightSheetManagerPlugin.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/LightSheetManagerPlugin.java
@@ -14,7 +14,7 @@ public class LightSheetManagerPlugin implements MenuPlugin, SciJavaPlugin {
     public static final String copyright = "Applied Scientific Instrumentation (ASI), 2022-2024";
     public static final String description = "A plugin to control various types of light sheet microscopes.";
     public static final String menuName = "Light Sheet Manager";
-    public static final String version = "0.4.0";
+    public static final String version = "0.4.1";
 
     private Studio studio_;
     private LightSheetManagerFrame frame_;
diff --git a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
index bfa7aaf..24ac444 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
@@ -413,11 +413,10 @@ public boolean prepareStageScanForAcquisition(final double x, final double y, De
         double xStartUm;
         double xStopUm;
         if (scanFromCurrent) {
+            xStartUm = x;
             if (scanNegative) {
-                xStartUm = x;
                 xStopUm = x - scanDistance_;
             } else {
-                xStartUm = x;
                 xStopUm = x + scanDistance_;
             }
         } else {
diff --git a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicSCAPE.java b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicSCAPE.java
index 2bd55cb..98c1143 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicSCAPE.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicSCAPE.java
@@ -235,6 +235,12 @@ public boolean prepareControllerForAcquisition(
                 return false;
             }
 
+            // cache how far we scan each pass for later use
+            final double speedFactor = GeometryUtils.getStageGeometricSpeedFactor(
+                    settings.scanSettings().scanAngleFirstView(),true);
+            actualStepSizeUm_ = settings.volumeSettings().sliceStepSize() * (actualMotorSpeed / requestedMotorSpeed);
+            scanDistance_ = settings.volumeSettings().slicesPerView() * actualStepSizeUm_ * speedFactor;
+
             if (!settings.isUsingMultiplePositions()) {
                 // use current position as center position for stage scanning
                 // multi-position situation is handled in position-switching code instead