diff --git a/src/main/java/com/aetherteam/aether/block/portal/AetherPortalBlock.java b/src/main/java/com/aetherteam/aether/block/portal/AetherPortalBlock.java
index 9354c206ad..8f4128c397 100644
--- a/src/main/java/com/aetherteam/aether/block/portal/AetherPortalBlock.java
+++ b/src/main/java/com/aetherteam/aether/block/portal/AetherPortalBlock.java
@@ -33,6 +33,8 @@
 import net.minecraft.world.level.block.state.properties.EnumProperty;
 import net.minecraft.world.phys.shapes.CollisionContext;
 import net.minecraft.world.phys.shapes.VoxelShape;
+import net.neoforged.api.distmarker.Dist;
+import net.neoforged.api.distmarker.OnlyIn;
 
 public class AetherPortalBlock extends Block {
     public static final EnumProperty<Direction.Axis> AXIS = BlockStateProperties.HORIZONTAL_AXIS;
@@ -101,6 +103,7 @@ private void handleTeleportation(Entity entity) {
     /**
      * [CODE COPY] - {@link net.minecraft.world.level.block.NetherPortalBlock#animateTick(BlockState, Level, BlockPos, RandomSource)}.
      */
+    @OnlyIn(Dist.CLIENT)
     @Override
     public void animateTick(BlockState state, Level level, BlockPos pos, RandomSource random) {
         if (random.nextInt(100) == 0) {