diff --git a/backend/Dockerfile.dev b/backend/Dockerfile.dev
index 945a861..2785e4f 100644
--- a/backend/Dockerfile.dev
+++ b/backend/Dockerfile.dev
@@ -8,7 +8,7 @@ RUN apt-get update && apt-get install -y \
     libglib2.0-0 \
     libgtk-3-0 \
     libdbus-1-3 \
-    libwebkit2gtk-4.1-0 \
+    libwebkit2gtk-4.0-37 \
     && rm -rf /var/lib/apt/lists/*
 
 # Install OrcaSlicer
diff --git a/backend/src/main/java/com/printcalculator/service/SlicerService.java b/backend/src/main/java/com/printcalculator/service/SlicerService.java
index 39b3e0d..1d06908 100644
--- a/backend/src/main/java/com/printcalculator/service/SlicerService.java
+++ b/backend/src/main/java/com/printcalculator/service/SlicerService.java
@@ -64,7 +64,7 @@ public class SlicerService {
             command.add(fFile.getAbsolutePath());
             command.add("--ensure-on-bed");
             command.add("--arrange");
-            // command.add("1"); // force arrange - Flag doesn't take value typically
+            command.add("1");
             command.add("--slice");
             command.add("0"); // slice plate 0
             command.add("--outputdir");