diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/listeners/AncientAltarListener.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/listeners/AncientAltarListener.java
index 7c2a865a0..4187d19b6 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/listeners/AncientAltarListener.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/listeners/AncientAltarListener.java
@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
+import java.util.Map;
 
 import javax.annotation.Nonnull;
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -115,7 +116,7 @@ public class AncientAltarListener implements Listener {
                 return;
             }
 
-            // Make altarinuse simply because that was the last block clicked.
+            // Make altar in use simply because that was the last block clicked.
             altarsInUse.add(b.getLocation());
             e.cancel();
 
@@ -156,8 +157,18 @@ public class AncientAltarListener implements Listener {
             Slimefun.runSync(() -> removedItems.remove(uuid), 30L);
 
             entity.remove();
-            p.getInventory().addItem(pedestalItem.getOriginalItemStack(entity));
             p.playSound(pedestal.getLocation(), Sound.ENTITY_ITEM_PICKUP, 1F, 1F);
+
+            /*
+             * Fixes #3476
+             * Drop the item instead if the player's inventory is full and
+             * no stack space left else add remaining items from the returned map value
+             */
+            Map<Integer,ItemStack> remainingItemMap = p.getInventory().addItem(pedestalItem.getOriginalItemStack(entity));
+            
+            for (ItemStack item : remainingItemMap.values()) {
+                p.getWorld().dropItem(pedestal.getLocation().add(0, 1, 0), item.clone());
+            }
         }
     }