diff --git a/c2me-opts-allocs/src/main/java/com/ishland/c2me/opts/allocs/MixinPlugin.java b/c2me-opts-allocs/src/main/java/com/ishland/c2me/opts/allocs/MixinPlugin.java
index 618494a82..c396146fc 100644
--- a/c2me-opts-allocs/src/main/java/com/ishland/c2me/opts/allocs/MixinPlugin.java
+++ b/c2me-opts-allocs/src/main/java/com/ishland/c2me/opts/allocs/MixinPlugin.java
@@ -16,6 +16,10 @@ public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
                 mixinClassName.equals("com.ishland.c2me.opts.allocs.mixin.MixinNbtCompound1"))
             return !FabricLoader.getInstance().isModLoaded("lithium");
 
+        if (mixinClassName.startsWith("com.ishland.c2me.opts.allocs.mixin.surfacebuilder.")) {
+            return !FabricLoader.getInstance().isModLoaded("quilted_fabric_api");
+        }
+
         return true;
     }