diff --git a/src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityNatureAltar.java b/src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityNatureAltar.java
index 8c970d55..1bee9453 100644
--- a/src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityNatureAltar.java
+++ b/src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityNatureAltar.java
@@ -66,6 +66,18 @@ public class TileEntityNatureAltar extends TileEntityImpl implements ITickable {
     public void update() {
         Random rand = this.world.rand;
 
+        if (this.world.getTotalWorldTime() % 40 == 0) {
+            int index = 0;
+            for (int x = -2; x <= 2; x += 4) {
+                for (int z = -2; z <= 2; z += 4) {
+                    BlockPos offset = this.pos.add(x, 1, z);
+                    IBlockState state = this.world.getBlockState(offset);
+                    this.catalysts[index] = state.getBlock().getItem(this.world, offset, state);
+                    index++;
+                }
+            }
+        }
+
         if (!this.world.isRemote) {
             if (this.world.getTotalWorldTime() % 40 == 0) {
                 boolean fine = Multiblocks.ALTAR.isComplete(this.world, this.pos);
@@ -73,18 +85,6 @@ public class TileEntityNatureAltar extends TileEntityImpl implements ITickable {
                     this.structureFine = fine;
                     this.sendToClients();
                 }
-
-                if (this.structureFine) {
-                    int index = 0;
-                    for (int x = -2; x <= 2; x += 4) {
-                        for (int z = -2; z <= 2; z += 4) {
-                            BlockPos offset = this.pos.add(x, 1, z);
-                            IBlockState state = this.world.getBlockState(offset);
-                            this.catalysts[index] = state.getBlock().getItem(this.world, offset, state);
-                            index++;
-                        }
-                    }
-                }
             }
 
             if (this.structureFine) {