diff --git a/src/main/java/com/flippingutilities/controller/FlippingPlugin.java b/src/main/java/com/flippingutilities/controller/FlippingPlugin.java
index 24d19cc..055bef7 100644
--- a/src/main/java/com/flippingutilities/controller/FlippingPlugin.java
+++ b/src/main/java/com/flippingutilities/controller/FlippingPlugin.java
@@ -747,6 +747,9 @@ public void setWidgetsOnSlotTimers() {
             return;
         }
 
+        if (accountData.getSlotTimers().size() < 8) {
+            return;
+        }
         for (int slotIndex = 0; slotIndex < 8; slotIndex++) {
             SlotActivityTimer timer = accountData.getSlotTimers().get(slotIndex);
             if (timer == null) {
diff --git a/src/main/java/com/flippingutilities/controller/NewOfferEventPipelineHandler.java b/src/main/java/com/flippingutilities/controller/NewOfferEventPipelineHandler.java
index 5628e1d..334c5c2 100644
--- a/src/main/java/com/flippingutilities/controller/NewOfferEventPipelineHandler.java
+++ b/src/main/java/com/flippingutilities/controller/NewOfferEventPipelineHandler.java
@@ -117,6 +117,11 @@ public Optional<OfferEvent> screenOfferEvent(OfferEvent newOfferEvent) {
 
         Map<Integer, OfferEvent> lastOfferEventForEachSlot = plugin.getDataHandler().getAccountData(plugin.getCurrentlyLoggedInAccount()).getLastOffers();
         List<SlotActivityTimer> slotActivityTimers = plugin.getDataHandler().getAccountData(plugin.getCurrentlyLoggedInAccount()).getSlotTimers();
+        if (slotActivityTimers == null || slotActivityTimers.size() < 8) {
+            log.warn("slotActivityTimers is missing or undersized ({}), skipping offer screening",
+                slotActivityTimers == null ? "null" : slotActivityTimers.size());
+            return Optional.empty();
+        }
         OfferEvent lastOfferEvent = lastOfferEventForEachSlot.get(newOfferEvent.getSlot());
 
         //completely useless updates
diff --git a/src/main/java/com/flippingutilities/model/AccountData.java b/src/main/java/com/flippingutilities/model/AccountData.java
index 00965b7..ea6f92a 100644
--- a/src/main/java/com/flippingutilities/model/AccountData.java
+++ b/src/main/java/com/flippingutilities/model/AccountData.java
@@ -134,7 +134,7 @@ private void hydrateRecipeFlipGroups(FlippingPlugin plugin) {
     }
 
     private void hydrateSlotTimers(FlippingPlugin plugin) {
-        if (slotTimers == null) {
+        if (slotTimers == null || slotTimers.size() != 8) {
             slotTimers = setupSlotTimers(plugin);
         } else {
             slotTimers.forEach(timer -> {