diff --git a/src/main/java/de/florianmichael/viafabricplus/fixes/data/ResourcePackHeaderDiff.java b/src/main/java/de/florianmichael/viafabricplus/fixes/data/ResourcePackHeaderDiff.java
index 00a3e74d..cff0b154 100644
--- a/src/main/java/de/florianmichael/viafabricplus/fixes/data/ResourcePackHeaderDiff.java
+++ b/src/main/java/de/florianmichael/viafabricplus/fixes/data/ResourcePackHeaderDiff.java
@@ -20,7 +20,7 @@
 package de.florianmichael.viafabricplus.fixes.data;
 
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
-import com.viaversion.viaversion.api.protocol.version.VersionType;
+import de.florianmichael.viafabricplus.protocoltranslator.ProtocolTranslator;
 import net.minecraft.GameVersion;
 import net.minecraft.SaveVersion;
 import net.minecraft.SharedConstants;
@@ -83,17 +83,10 @@ public class ResourcePackHeaderDiff {
         registerVersion(ProtocolVersion.v1_7_2, 1, "1.7.5");
     }
 
-    /**
-     * Checks if the registry is outdated.
-     */
     @ApiStatus.Internal
     public static void checkOutdated() {
-        for (ProtocolVersion version : ProtocolVersion.getProtocols()) {
-            if (version.isSnapshot()) continue;
-            if (version.getVersionType() != VersionType.RELEASE) continue;
-            if (!GAME_VERSION_DIFF.containsKey(version)) {
-                throw new RuntimeException("The version " + version + " has no pack format registered");
-            }
+        if (!GAME_VERSION_DIFF.containsKey(ProtocolTranslator.NATIVE_VERSION)) {
+            throw new RuntimeException("The native client version is not registered in the resource pack header diff!");
         }
     }
 
diff --git a/src/main/java/de/florianmichael/viafabricplus/protocoltranslator/ProtocolTranslator.java b/src/main/java/de/florianmichael/viafabricplus/protocoltranslator/ProtocolTranslator.java
index 368131fb..b19f9ccb 100644
--- a/src/main/java/de/florianmichael/viafabricplus/protocoltranslator/ProtocolTranslator.java
+++ b/src/main/java/de/florianmichael/viafabricplus/protocoltranslator/ProtocolTranslator.java
@@ -48,6 +48,7 @@ import io.netty.channel.Channel;
 import io.netty.util.AttributeKey;
 import net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback;
 import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource;
+import net.minecraft.SharedConstants;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.network.ClientConnection;
@@ -315,6 +316,9 @@ public class ProtocolTranslator {
      */
     @ApiStatus.Internal
     public static CompletableFuture<Void> init(final File directory) {
+        if (SharedConstants.getProtocolVersion() != NATIVE_VERSION.getOriginalVersion()) {
+            throw new IllegalStateException("Native version is not the same as the current version");
+        }
         patchConfigs(new File(directory, "ViaLoader"));
 
         // Register command callback for /viafabricplus