diff --git a/common/src/lib/java/dev/engine_room/flywheel/lib/model/part/VertexWriter.java b/common/src/lib/java/dev/engine_room/flywheel/lib/model/part/VertexWriter.java
index 9921428ed..00d808ee3 100644
--- a/common/src/lib/java/dev/engine_room/flywheel/lib/model/part/VertexWriter.java
+++ b/common/src/lib/java/dev/engine_room/flywheel/lib/model/part/VertexWriter.java
@@ -84,7 +84,7 @@ class VertexWriter implements VertexConsumer {
 	}
 
 	private long vertexPtr() {
-		return data.ptr() + vertexCount * STRIDE;
+		return data.ptr() + (vertexCount - 1) * STRIDE;
 	}
 
 	private void endLastVertex() {
diff --git a/forge/src/main/resources/META-INF/neoforge.mods.toml b/forge/src/main/resources/META-INF/neoforge.mods.toml
index f5d547387..d03c57ab8 100644
--- a/forge/src/main/resources/META-INF/neoforge.mods.toml
+++ b/forge/src/main/resources/META-INF/neoforge.mods.toml
@@ -1,5 +1,5 @@
 modLoader = "javafml"
-# The loader version doesn't matter. Modify the Forge and/or Minecraft version ranges instead.
+# The loader version doesn't matter. Modify the NeoForge and/or Minecraft version ranges instead.
 loaderVersion = "[0,)"
 license = "${mod_license}"
 issueTrackerURL = "${mod_issues}"
diff --git a/forge/src/main/resources/pack.mcmeta b/forge/src/main/resources/pack.mcmeta
index ae03c9b7f..77bed856b 100644
--- a/forge/src/main/resources/pack.mcmeta
+++ b/forge/src/main/resources/pack.mcmeta
@@ -1,6 +1,6 @@
 {
   "pack": {
     "description": "${mod_name} resources",
-    "pack_format": 15
+    "pack_format": 34
   }
 }