diff --git a/src/main/java/appeng/block/legacy/BlockLegacyChest.java b/src/main/java/appeng/block/legacy/BlockLegacyChest.java
index f4f0d20c..065bb771 100644
--- a/src/main/java/appeng/block/legacy/BlockLegacyChest.java
+++ b/src/main/java/appeng/block/legacy/BlockLegacyChest.java
@@ -16,6 +16,8 @@ import appeng.tile.AEBaseTile;
 import appeng.tile.legacy.TileLegacyChest;
 import appeng.tile.storage.TileChest;
 import appeng.util.Platform;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
@@ -34,6 +36,7 @@ public class BlockLegacyChest extends AEBaseTileBlock {
         this.setFeature(EnumSet.of(AEFeature.Legacy));
     }
     
+    @SideOnly(Side.CLIENT)
     @Override
     protected BaseBlockRender<? extends AEBaseBlock, ? extends AEBaseTile> getRenderer() {
         return new RenderBlockLegacyChest();
diff --git a/src/main/java/appeng/block/legacy/BlockTransitionPlane.java b/src/main/java/appeng/block/legacy/BlockTransitionPlane.java
index 2a29e71e..f70e4de2 100644
--- a/src/main/java/appeng/block/legacy/BlockTransitionPlane.java
+++ b/src/main/java/appeng/block/legacy/BlockTransitionPlane.java
@@ -10,6 +10,8 @@ import appeng.client.render.blocks.RenderBlockTransitionPlane;
 import appeng.core.features.AEFeature;
 import appeng.tile.AEBaseTile;
 import appeng.tile.legacy.TileTransitionPlane;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.Entity;
@@ -27,6 +29,7 @@ public class BlockTransitionPlane extends AEBaseTileBlock {
         this.setFeature(EnumSet.of(AEFeature.Legacy));
     }
 
+    @SideOnly(Side.CLIENT)
     @Override
     protected BaseBlockRender<? extends AEBaseBlock, ? extends AEBaseTile> getRenderer() {
         return new RenderBlockTransitionPlane();