diff --git a/common/src/main/java/com/dfsek/terra/api/TerraPlugin.java b/common/src/main/java/com/dfsek/terra/api/TerraPlugin.java
index aeeb5e814..2982da04f 100644
--- a/common/src/main/java/com/dfsek/terra/api/TerraPlugin.java
+++ b/common/src/main/java/com/dfsek/terra/api/TerraPlugin.java
@@ -7,6 +7,7 @@ import com.dfsek.terra.api.platform.handle.WorldHandle;
 import com.dfsek.terra.api.platform.world.World;
 import com.dfsek.terra.api.registry.CheckedRegistry;
 import com.dfsek.terra.api.registry.LockedRegistry;
+import com.dfsek.terra.api.util.JarUtil;
 import com.dfsek.terra.api.util.logging.DebugLogger;
 import com.dfsek.terra.api.util.logging.Logger;
 import com.dfsek.terra.config.PluginConfig;
@@ -16,6 +17,9 @@ import com.dfsek.terra.profiler.Profiler;
 import com.dfsek.terra.world.TerraWorld;
 
 import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.jar.JarFile;
 
 /**
  * Represents a Terra mod/plugin instance.
@@ -67,4 +71,8 @@ public interface TerraPlugin extends LoaderRegistrar {
     }
 
     Profiler getProfiler();
+
+    default JarFile getModJar() throws URISyntaxException, IOException {
+        return JarUtil.getJarFile();
+    }
 }
diff --git a/common/src/main/java/com/dfsek/terra/api/util/JarUtil.java b/common/src/main/java/com/dfsek/terra/api/util/JarUtil.java
index 20ad875cc..981dfdb7f 100644
--- a/common/src/main/java/com/dfsek/terra/api/util/JarUtil.java
+++ b/common/src/main/java/com/dfsek/terra/api/util/JarUtil.java
@@ -1,9 +1,13 @@
 package com.dfsek.terra.api.util;
 
+import com.dfsek.terra.api.TerraPlugin;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.URISyntaxException;
+import java.net.URL;
 import java.util.Enumeration;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
@@ -32,4 +36,12 @@ public class JarUtil {
             }
         }
     }
+
+    public static JarFile getJarFile() throws URISyntaxException, IOException {
+        return new JarFile(new File(getJarURL().toURI()));
+    }
+
+    public static URL getJarURL() {
+        return TerraPlugin.class.getProtectionDomain().getCodeSource().getLocation();
+    }
 }
diff --git a/common/src/main/java/com/dfsek/terra/config/PluginConfig.java b/common/src/main/java/com/dfsek/terra/config/PluginConfig.java
index e1112dcf4..d391fed8e 100644
--- a/common/src/main/java/com/dfsek/terra/config/PluginConfig.java
+++ b/common/src/main/java/com/dfsek/terra/config/PluginConfig.java
@@ -69,12 +69,12 @@ public class PluginConfig implements ConfigTemplate {
             ConfigLoader loader = new ConfigLoader();
             loader.load(this, file);
             if(dumpDefaultConfig) { // Don't dump default config if already loaded.
-                try(JarFile jar = new JarFile(new File(TerraPlugin.class.getProtectionDomain().getCodeSource().getLocation().toURI()))) {
+                try(JarFile jar = main.getModJar()) {
                     JarUtil.copyResourcesToDirectory(jar, "packs", new File(main.getDataFolder(), "packs").toString());
                 } catch(IOException | URISyntaxException e) {
                     main.getDebugLogger().error("Failed to dump default config files!");
                     e.printStackTrace();
-                    main.getDebugLogger().error("Report this to Terra!");
+                    main.getDebugLogger().error("Either you're on Forge, or this is a bug. If it's the latter, report this to Terra!");
                 }
             }
         } catch(ConfigException | IOException e) {
diff --git a/common/src/main/java/com/dfsek/terra/config/lang/LangUtil.java b/common/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
index 347a1e577..87f24b13e 100644
--- a/common/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
+++ b/common/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
@@ -17,7 +17,7 @@ public final class LangUtil {
     public static void load(String langID, TerraPlugin main) {
         Logger logger = main.logger();
         File file = new File(main.getDataFolder(), "lang");
-        try(JarFile jar = new JarFile(new File(TerraPlugin.class.getProtectionDomain().getCodeSource().getLocation().toURI()))) {
+        try(JarFile jar = main.getModJar()) {
             copyResourcesToDirectory(jar, "lang", file.toString());
         } catch(IOException | URISyntaxException e) {
             main.getDebugLogger().error("Failed to dump language files!");
diff --git a/platforms/forge/src/main/java/com/dfsek/terra/forge/TerraForgePlugin.java b/platforms/forge/src/main/java/com/dfsek/terra/forge/TerraForgePlugin.java
index 8f2243b33..b7cab9f61 100644
--- a/platforms/forge/src/main/java/com/dfsek/terra/forge/TerraForgePlugin.java
+++ b/platforms/forge/src/main/java/com/dfsek/terra/forge/TerraForgePlugin.java
@@ -26,6 +26,7 @@ import com.dfsek.terra.api.registry.CheckedRegistry;
 import com.dfsek.terra.api.registry.LockedRegistry;
 import com.dfsek.terra.api.transform.NotNullValidator;
 import com.dfsek.terra.api.transform.Transformer;
+import com.dfsek.terra.api.util.JarUtil;
 import com.dfsek.terra.api.util.logging.DebugLogger;
 import com.dfsek.terra.api.util.mutable.MutableInteger;
 import com.dfsek.terra.commands.CommandUtil;
@@ -86,10 +87,12 @@ import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import net.minecraftforge.registries.ForgeRegistries;
 import org.apache.commons.io.FileUtils;
 import org.apache.logging.log4j.LogManager;
+import org.objectweb.asm.Type;
 
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.URISyntaxException;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -97,7 +100,10 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Objects;
 import java.util.function.Consumer;
+import java.util.jar.JarFile;
+import java.util.zip.ZipFile;
 
 import static com.mojang.brigadier.builder.LiteralArgumentBuilder.literal;
 import static com.mojang.brigadier.builder.RequiredArgumentBuilder.argument;
@@ -219,7 +225,7 @@ public class TerraForgePlugin implements TerraPlugin {
         generationSettings.surfaceBuilder(SurfaceBuilder.DEFAULT.configured(new SurfaceBuilderConfig(Blocks.GRASS_BLOCK.defaultBlockState(), Blocks.DIRT.defaultBlockState(), Blocks.GRAVEL.defaultBlockState()))); // It needs a surfacebuilder, even though we dont use it.
         generationSettings.addFeature(GenerationStage.Decoration.VEGETAL_DECORATION, POPULATOR_CONFIGURED_FEATURE);
 
-        BiomeAmbience vanillaEffects =  vanilla.getSpecialEffects();
+        BiomeAmbience vanillaEffects = vanilla.getSpecialEffects();
         BiomeAmbience.Builder effects = new BiomeAmbience.Builder()
                 .waterColor(colors.getOrDefault("water", vanillaEffects.getWaterColor()))
                 .waterFogColor(colors.getOrDefault("water-fog", vanillaEffects.getWaterFogColor()))
@@ -289,6 +295,22 @@ public class TerraForgePlugin implements TerraPlugin {
         });
     }
 
+    @Override
+    public JarFile getModJar() throws URISyntaxException, IOException {
+        File modsDir = new File("./mods");
+
+        if(!modsDir.exists()) return JarUtil.getJarFile();
+
+        for(File file : Objects.requireNonNull(modsDir.listFiles((dir, name) -> name.endsWith(".jar")))) {
+            try(ZipFile zipFile = new ZipFile(file)) {
+                if(zipFile.getEntry(Type.getInternalName(TerraPlugin.class) + ".class") != null) {
+                    return new JarFile(file);
+                }
+            }
+        }
+        return JarUtil.getJarFile();
+    }
+
     public TerraWorld getWorld(long seed) {
         TerraWorld world = worldMap.get(seed);
         if(world == null) throw new IllegalArgumentException("No world exists with seed " + seed);