diff --git a/src/main/java/dev/hephaestus/glowcase/client/render/block/entity/SpriteBlockEntityRenderer.java b/src/main/java/dev/hephaestus/glowcase/client/render/block/entity/SpriteBlockEntityRenderer.java
index b23ce31..09b8051 100644
--- a/src/main/java/dev/hephaestus/glowcase/client/render/block/entity/SpriteBlockEntityRenderer.java
+++ b/src/main/java/dev/hephaestus/glowcase/client/render/block/entity/SpriteBlockEntityRenderer.java
@@ -2,14 +2,21 @@
 
 import dev.hephaestus.glowcase.Glowcase;
 import dev.hephaestus.glowcase.block.entity.SpriteBlockEntity;
+import dev.hephaestus.glowcase.mixin.client.TextureManagerAccessor;
+import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.render.*;
 import net.minecraft.client.render.block.entity.BlockEntityRenderer;
 import net.minecraft.client.render.block.entity.BlockEntityRendererFactory;
+import net.minecraft.client.texture.TextureManager;
 import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.resource.ResourceManager;
 import net.minecraft.state.property.Properties;
+import net.minecraft.util.Identifier;
 import net.minecraft.util.math.RotationAxis;
 import org.joml.Vector3f;
 
+import java.io.FileNotFoundException;
+
 public record SpriteBlockEntityRenderer(BlockEntityRendererFactory.Context context) implements BlockEntityRenderer<SpriteBlockEntity> {
 	private static final Vector3f[] vertices = new Vector3f[] {
 		new Vector3f(-0.5F, -0.5F, 0.0F),
@@ -32,7 +39,23 @@ public void render(SpriteBlockEntity entity, float f, MatrixStack matrices, Vert
 		}
 
 		var entry = matrices.peek();
-		var vertexConsumer = vertexConsumers.getBuffer(RenderLayer.getEntityCutout(Glowcase.id("textures/sprite/" + entity.sprite + ".png")));
+		Identifier identifier = Identifier.tryParse(Glowcase.MODID, "textures/sprite/" + entity.sprite + ".png");
+		if (identifier == null) {
+			identifier = Glowcase.id("textures/sprite/invalid.png");
+		} else {
+			TextureManager textureManager = MinecraftClient.getInstance().getTextureManager();
+			ResourceManager resourceManager = ((TextureManagerAccessor) textureManager).glowcase$getResourceManager();
+			try {
+				resourceManager.getResourceOrThrow(identifier);
+			} catch (FileNotFoundException ignored) {
+				/* if the texture (file) does not exist, just replace it.
+				this happens a lot when edit a sprite block, so I'm adding it to avoid log spam
+				- SkyNotTheLimit
+				 */
+				identifier = Glowcase.id("textures/sprite/invalid.png");
+			}
+		}
+		var vertexConsumer = vertexConsumers.getBuffer(RenderLayer.getEntityCutout(identifier));
 
 		vertex(entry, vertexConsumer, vertices[0], 0, 1, entity.color);
 		vertex(entry, vertexConsumer, vertices[1], 1, 1, entity.color);
diff --git a/src/main/java/dev/hephaestus/glowcase/item/LockItem.java b/src/main/java/dev/hephaestus/glowcase/item/LockItem.java
index f30487f..8a445ac 100644
--- a/src/main/java/dev/hephaestus/glowcase/item/LockItem.java
+++ b/src/main/java/dev/hephaestus/glowcase/item/LockItem.java
@@ -38,12 +38,12 @@ public ActionResult useOnBlock(ItemUsageContext context) {
 		Text message;
 		SoundEvent soundEvent;
 
-		if (bea.getLock().equals(ContainerLock.EMPTY)) {
-			bea.setLock(new ContainerLock("glowcase"));
+		if (bea.glowcase$getLock().equals(ContainerLock.EMPTY)) {
+			bea.glowcase$setLock(new ContainerLock("glowcase"));
 			message = Text.translatable("gui.glowcase.locked_block", be.getDisplayName());
 			soundEvent = SoundEvents.BLOCK_WOODEN_TRAPDOOR_CLOSE;
 		} else {
-			bea.setLock(ContainerLock.EMPTY);
+			bea.glowcase$setLock(ContainerLock.EMPTY);
 			message = Text.translatable("gui.glowcase.unlocked_block", be.getDisplayName());
 			soundEvent = SoundEvents.BLOCK_WOODEN_TRAPDOOR_OPEN;
 		}
diff --git a/src/main/java/dev/hephaestus/glowcase/mixin/LockableContainerBlockEntityAccessor.java b/src/main/java/dev/hephaestus/glowcase/mixin/LockableContainerBlockEntityAccessor.java
index 8b95c09..3ddfb28 100644
--- a/src/main/java/dev/hephaestus/glowcase/mixin/LockableContainerBlockEntityAccessor.java
+++ b/src/main/java/dev/hephaestus/glowcase/mixin/LockableContainerBlockEntityAccessor.java
@@ -7,9 +7,9 @@
 
 @Mixin(LockableContainerBlockEntity.class)
 public interface LockableContainerBlockEntityAccessor {
-	@Accessor
-	ContainerLock getLock();
+	@Accessor("lock")
+	ContainerLock glowcase$getLock();
 
-	@Accessor
-	void setLock(ContainerLock lock);
+	@Accessor("lock")
+	void glowcase$setLock(ContainerLock lock);
 }
diff --git a/src/main/java/dev/hephaestus/glowcase/mixin/KeyboardMixin.java b/src/main/java/dev/hephaestus/glowcase/mixin/client/KeyboardMixin.java
similarity index 94%
rename from src/main/java/dev/hephaestus/glowcase/mixin/KeyboardMixin.java
rename to src/main/java/dev/hephaestus/glowcase/mixin/client/KeyboardMixin.java
index 02281c1..7952545 100644
--- a/src/main/java/dev/hephaestus/glowcase/mixin/KeyboardMixin.java
+++ b/src/main/java/dev/hephaestus/glowcase/mixin/client/KeyboardMixin.java
@@ -1,4 +1,4 @@
-package dev.hephaestus.glowcase.mixin;
+package dev.hephaestus.glowcase.mixin.client;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import dev.hephaestus.glowcase.client.gui.screen.ingame.TextBlockEditScreen;
diff --git a/src/main/java/dev/hephaestus/glowcase/mixin/client/TextureManagerAccessor.java b/src/main/java/dev/hephaestus/glowcase/mixin/client/TextureManagerAccessor.java
new file mode 100644
index 0000000..5dc4301
--- /dev/null
+++ b/src/main/java/dev/hephaestus/glowcase/mixin/client/TextureManagerAccessor.java
@@ -0,0 +1,13 @@
+package dev.hephaestus.glowcase.mixin.client;
+
+import net.minecraft.client.texture.TextureManager;
+import net.minecraft.resource.ResourceManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(TextureManager.class)
+public interface TextureManagerAccessor {
+
+	@Accessor("resourceContainer")
+	ResourceManager glowcase$getResourceManager();
+}
diff --git a/src/main/resources/assets/glowcase/textures/sprite/invalid.png b/src/main/resources/assets/glowcase/textures/sprite/invalid.png
new file mode 100644
index 0000000..6d69d8e
Binary files /dev/null and b/src/main/resources/assets/glowcase/textures/sprite/invalid.png differ
diff --git a/src/main/resources/glowcase.mixins.json b/src/main/resources/glowcase.mixins.json
index 2dd784e..6644548 100644
--- a/src/main/resources/glowcase.mixins.json
+++ b/src/main/resources/glowcase.mixins.json
@@ -8,7 +8,8 @@
 		"PlayerEntityMixin"
 	],
 	"client": [
-		"KeyboardMixin"
+		"client.KeyboardMixin",
+		"client.TextureManagerAccessor"
 	],
 	"server": [],
 	"injectors": {