diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed74406a0..5d6c10f5b 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Fixed issue where Crafters may fail to recognize an inventory/tank for some patterns (Darkere) 
 - Fixed issue where the Crafter Manager can crash on invalid patterns (raoulvdberge)
 - Fixed issue where alternatives in the Pattern Grid weren't being saved properly (raoulvdberge)
+- Fixed not being able to change the Exporter filter slot count with regulator mode without closing and re-opening the container (raoulvdberge)
 
 ### 1.9.8
 
diff --git a/src/main/java/com/refinedmods/refinedstorage/container/ExporterContainer.java b/src/main/java/com/refinedmods/refinedstorage/container/ExporterContainer.java
index dc60acd7a..af628df31 100644
--- a/src/main/java/com/refinedmods/refinedstorage/container/ExporterContainer.java
+++ b/src/main/java/com/refinedmods/refinedstorage/container/ExporterContainer.java
@@ -11,15 +11,33 @@ import net.minecraftforge.items.SlotItemHandler;
 
 public class ExporterContainer extends BaseContainer {
     private final ExporterTile exporter;
+    private boolean hasRegulatorMode;
 
     public ExporterContainer(ExporterTile exporter, PlayerEntity player, int windowId) {
         super(RSContainers.EXPORTER, exporter, player, windowId);
 
         this.exporter = exporter;
+        this.hasRegulatorMode = hasRegulatorMode();
 
         initSlots();
     }
 
+    private boolean hasRegulatorMode() {
+        return exporter.getNode().getUpgrades().hasUpgrade(UpgradeItem.Type.REGULATOR);
+    }
+
+    @Override
+    public void detectAndSendChanges() {
+        super.detectAndSendChanges();
+
+        boolean updatedHasRegulatorMode = hasRegulatorMode();
+        if (hasRegulatorMode != updatedHasRegulatorMode) {
+            hasRegulatorMode = updatedHasRegulatorMode;
+
+            initSlots();
+        }
+    }
+
     public void initSlots() {
         this.inventorySlots.clear();
         this.inventoryItemStacks.clear();