diff --git a/src/main/java/fr/iglee42/createcasing/mixins/create/catnip/StitchedSpriteMixin.java b/src/main/java/fr/iglee42/createcasing/mixins/create/catnip/StitchedSpriteMixin.java
new file mode 100644
index 00000000..c875fd14
--- /dev/null
+++ b/src/main/java/fr/iglee42/createcasing/mixins/create/catnip/StitchedSpriteMixin.java
@@ -0,0 +1,26 @@
+package fr.iglee42.createcasing.mixins.create.catnip;
+
+import net.createmod.catnip.render.StitchedSprite;
+import net.minecraft.resources.ResourceLocation;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Mixin(value = StitchedSprite.class, remap = false)
+public class StitchedSpriteMixin {
+    @Shadow @Final @Mutable
+    private static Map<ResourceLocation, List<StitchedSprite>> ALL;
+
+    @Inject(method = "<clinit>", at = @At("TAIL"))
+    private static void replaceHashMapWithConcurtentHashMap(CallbackInfo ci) {
+        ALL = new ConcurrentHashMap<>();
+    }
+}
diff --git a/src/main/resources/createcasing.mixins.json b/src/main/resources/createcasing.mixins.json
index c42a6e05..52653355 100644
--- a/src/main/resources/createcasing.mixins.json
+++ b/src/main/resources/createcasing.mixins.json
@@ -23,6 +23,7 @@
     "create.arm_interactions.DeployerMixin",
     "create.arm_interactions.DepotMixin",
     "create.arm_interactions.SawMixin",
+    "create.catnip.StitchedSpriteMixin",
     "minecraft.IItemExtensionMixin"
   ],
   "client": [