diff --git a/Common/src/main/java/dev/cammiescorner/icarus/api/IcarusPlayerValues.java b/Common/src/main/java/dev/cammiescorner/icarus/api/IcarusPlayerValues.java
index 48ccd2a..133ff6e 100644
--- a/Common/src/main/java/dev/cammiescorner/icarus/api/IcarusPlayerValues.java
+++ b/Common/src/main/java/dev/cammiescorner/icarus/api/IcarusPlayerValues.java
@@ -1,9 +1,11 @@
 package dev.cammiescorner.icarus.api;
 
 import dev.cammiescorner.icarus.IcarusConfig;
-import dev.cammiescorner.icarus.init.IcarusDimensionTags;
+import dev.cammiescorner.icarus.init.IcarusDimensionTypeTags;
+import dev.cammiescorner.icarus.init.IcarusLevelTags;
 import net.minecraft.tags.TagKey;
-import net.minecraft.world.level.Level;
+import net.minecraft.world.level.dimension.DimensionType;
+import net.minecraft.world.level.dimension.LevelStem;
 
 public interface IcarusPlayerValues {
 
@@ -23,8 +25,12 @@ public interface IcarusPlayerValues {
 
     boolean maxHeightEnabled();
 
-    default TagKey<Level> noFlyingAllowedInDimensions() {
-        return IcarusDimensionTags.NO_FLYING_ALLOWED;
+    default TagKey<LevelStem> noFlyingAllowedInLevels() {
+        return IcarusLevelTags.NO_FLYING_ALLOWED;
+    }
+
+    default TagKey<DimensionType> noFlyingAllowedInDimensions() {
+        return IcarusDimensionTypeTags.NO_FLYING_ALLOWED;
     }
 
     default float requiredFoodAmount() {
diff --git a/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTags.java b/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTypeTags.java
similarity index 52%
rename from Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTags.java
rename to Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTypeTags.java
index 5129bd2..4e3beca 100644
--- a/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTags.java
+++ b/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusDimensionTypeTags.java
@@ -3,10 +3,9 @@
 import dev.cammiescorner.icarus.Icarus;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.tags.TagKey;
-import net.minecraft.world.level.Level;
 import net.minecraft.world.level.dimension.DimensionType;
 
-public class IcarusDimensionTags {
+public class IcarusDimensionTypeTags {
 
-    public static final TagKey<Level> NO_FLYING_ALLOWED = TagKey.create(Registries.DIMENSION, Icarus.id("no_flying_allowed"));
+    public static final TagKey<DimensionType> NO_FLYING_ALLOWED = TagKey.create(Registries.DIMENSION_TYPE, Icarus.id("no_flying_allowed"));
 }
diff --git a/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusLevelTags.java b/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusLevelTags.java
new file mode 100644
index 0000000..c780fea
--- /dev/null
+++ b/Common/src/main/java/dev/cammiescorner/icarus/init/IcarusLevelTags.java
@@ -0,0 +1,11 @@
+package dev.cammiescorner.icarus.init;
+
+import dev.cammiescorner.icarus.Icarus;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.tags.TagKey;
+import net.minecraft.world.level.dimension.LevelStem;
+
+public class IcarusLevelTags {
+
+    public static final TagKey<LevelStem> NO_FLYING_ALLOWED = TagKey.create(Registries.LEVEL_STEM, Icarus.id("no_flying_allowed"));
+}
diff --git a/Common/src/main/java/dev/cammiescorner/icarus/util/IcarusHelper.java b/Common/src/main/java/dev/cammiescorner/icarus/util/IcarusHelper.java
index 5419d48..828c627 100644
--- a/Common/src/main/java/dev/cammiescorner/icarus/util/IcarusHelper.java
+++ b/Common/src/main/java/dev/cammiescorner/icarus/util/IcarusHelper.java
@@ -3,6 +3,7 @@
 import dev.cammiescorner.icarus.api.IcarusPlayerValues;
 import dev.cammiescorner.icarus.api.SlowFallingEntity;
 import dev.cammiescorner.icarus.client.IcarusClient;
+import dev.cammiescorner.icarus.init.IcarusDimensionTypeTags;
 import dev.cammiescorner.icarus.init.IcarusItemTags;
 import dev.cammiescorner.icarus.init.IcarusStatusEffects;
 import dev.cammiescorner.icarus.item.WingItem;
@@ -36,12 +37,20 @@ public class IcarusHelper {
 
     public static boolean onFallFlyingTick(LivingEntity entity, @Nullable ItemStack wings, boolean tick) {
         IcarusPlayerValues cfg = IcarusHelper.getConfigValues(entity);
-        if (!entity.level().isClientSide() && entity.level().registryAccess().registryOrThrow(Registries.DIMENSION).getHolderOrThrow(entity.level().dimension()).is(cfg.noFlyingAllowedInDimensions())) {
-            if (entity instanceof ServerPlayer player) {
-                stopFlying(player);
-                player.sendSystemMessage(Component.translatable("message.icarus.status.no_fly.dimension").withStyle(ChatFormatting.RED), true);
+        var level = entity.level();
+
+        if(!level.isClientSide()) {
+            // level stem -> the actual level instance
+            // dimension type -> all levels of a given type
+            // some level stems (namely, AE2's spatial storage dimension) may not be registered properly
+            // first check the dimension type, then check the level itself; if either one is in the no fly tag, cancel flying and send a message
+            if(level.dimensionTypeRegistration().is(IcarusDimensionTypeTags.NO_FLYING_ALLOWED) || level.registryAccess().registryOrThrow(Registries.LEVEL_STEM).getHolder(Registries.levelToLevelStem(level.dimension())).map(stemHolder -> stemHolder.is(cfg.noFlyingAllowedInLevels())).orElse(false)) {
+                if (entity instanceof ServerPlayer player) {
+                    stopFlying(player);
+                    player.sendSystemMessage(Component.translatable("message.icarus.status.no_fly.dimension").withStyle(ChatFormatting.RED), true);
+                }
+                return false;
             }
-            return false;
         }
 
         if (entity.hasEffect(IcarusStatusEffects.flightlessHolder())) {
diff --git a/Common/src/main/java/dev/cammiescorner/icarus/util/ServerPlayerFallbackValues.java b/Common/src/main/java/dev/cammiescorner/icarus/util/ServerPlayerFallbackValues.java
index 36dfb53..81fb943 100644
--- a/Common/src/main/java/dev/cammiescorner/icarus/util/ServerPlayerFallbackValues.java
+++ b/Common/src/main/java/dev/cammiescorner/icarus/util/ServerPlayerFallbackValues.java
@@ -2,9 +2,6 @@
 
 import dev.cammiescorner.icarus.IcarusConfig;
 import dev.cammiescorner.icarus.api.IcarusPlayerValues;
-import dev.cammiescorner.icarus.init.IcarusDimensionTags;
-import net.minecraft.tags.TagKey;
-import net.minecraft.world.level.Level;
 
 public class ServerPlayerFallbackValues implements IcarusPlayerValues {
 
@@ -43,11 +40,6 @@ public boolean maxHeightEnabled() {
         return IcarusConfig.maxHeightEnabled;
     }
 
-    @Override
-    public TagKey<Level> noFlyingAllowedInDimensions() {
-        return IcarusDimensionTags.NO_FLYING_ALLOWED;
-    }
-
     @Override
     public int maxHeightAboveWorld() {
         return IcarusConfig.maxHeightAboveWorld;
diff --git a/Common/src/main/resources/data/icarus/tags/dimension_type/no_flying_allowed.json b/Common/src/main/resources/data/icarus/tags/dimension_type/no_flying_allowed.json
new file mode 100644
index 0000000..d275da3
--- /dev/null
+++ b/Common/src/main/resources/data/icarus/tags/dimension_type/no_flying_allowed.json
@@ -0,0 +1,5 @@
+{
+  "replace": false,
+  "values": [
+  ]
+}