diff --git a/src/main/java/com/minelittlepony/unicopia/UTags.java b/src/main/java/com/minelittlepony/unicopia/UTags.java
index c93b4d5c..c1bdb578 100644
--- a/src/main/java/com/minelittlepony/unicopia/UTags.java
+++ b/src/main/java/com/minelittlepony/unicopia/UTags.java
@@ -36,6 +36,7 @@ public interface UTags {
     TagKey<Block> GLASS_BLOCKS = block("glass_blocks");
     TagKey<Block> FRAGILE = block("fragile");
     TagKey<Block> INTERESTING = block("interesting");
+    TagKey<Block> CATAPULT_IMMUNE = block("catapult_immune");
 
     TagKey<Block> CRYSTAL_HEART_BASE = block("crystal_heart_base");
     TagKey<Block> CRYSTAL_HEART_ORNAMENT = block("crystal_heart_ornament");
diff --git a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/CatapultSpell.java b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/CatapultSpell.java
index 092218cd..c72a69d1 100644
--- a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/CatapultSpell.java
+++ b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/CatapultSpell.java
@@ -4,6 +4,7 @@ import java.util.function.Consumer;
 
 import org.jetbrains.annotations.Nullable;
 
+import com.minelittlepony.unicopia.UTags;
 import com.minelittlepony.unicopia.ability.magic.Caster;
 import com.minelittlepony.unicopia.ability.magic.spell.Situation;
 import com.minelittlepony.unicopia.ability.magic.spell.trait.SpellTraits;
@@ -12,6 +13,7 @@ import com.minelittlepony.unicopia.mixin.MixinFallingBlockEntity;
 import com.minelittlepony.unicopia.projectile.MagicProjectileEntity;
 import com.minelittlepony.unicopia.projectile.ProjectileDelegate;
 
+import net.minecraft.block.BlockState;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.FallingBlockEntity;
 import net.minecraft.util.hit.BlockHitResult;
@@ -82,6 +84,11 @@ public class CatapultSpell extends AbstractSpell implements ProjectileDelegate.B
             return;
         }
 
+        BlockState state = world.getBlockState(bpos);
+        if (state.isIn(UTags.CATAPULT_IMMUNE)) {
+            return;
+        }
+
         Vec3d pos = Vec3d.ofBottomCenter(bpos);
         FallingBlockEntity e = MixinFallingBlockEntity.createInstance(world, pos.x, pos.y, pos.z, world.getBlockState(bpos));
         world.removeBlock(bpos, true);
diff --git a/src/main/resources/data/unicopia/tags/blocks/catapult_immune.json b/src/main/resources/data/unicopia/tags/blocks/catapult_immune.json
new file mode 100644
index 00000000..7b7efde0
--- /dev/null
+++ b/src/main/resources/data/unicopia/tags/blocks/catapult_immune.json
@@ -0,0 +1,7 @@
+{
+  "replace": false,
+  "values": [
+    "minecraft:bedrock",
+    "#minecraft:doors"
+  ]
+}