diff --git a/fml/common/cpw/mods/fml/common/FMLCommonHandler.java b/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
index 108155c4d1..5750e115dd 100644
--- a/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
+++ b/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
@@ -245,9 +245,9 @@ public class FMLCommonHandler
      * @param canonicalPath
      * @return
      */
-    public ModContainer loadBaseModMod(Class<?> clazz, String canonicalPath)
+    public ModContainer loadBaseModMod(Class<?> clazz, File canonicalFile)
     {
-        return sidedDelegate.loadBaseModMod(clazz, canonicalPath);
+        return sidedDelegate.loadBaseModMod(clazz, canonicalFile);
     }
     
     public File getMinecraftRootDirectory() {
diff --git a/fml/common/cpw/mods/fml/common/FMLModContainer.java b/fml/common/cpw/mods/fml/common/FMLModContainer.java
index 931f1d7f6e..197fe05822 100644
--- a/fml/common/cpw/mods/fml/common/FMLModContainer.java
+++ b/fml/common/cpw/mods/fml/common/FMLModContainer.java
@@ -12,6 +12,7 @@
  */
 package cpw.mods.fml.common;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -19,9 +20,13 @@ public class FMLModContainer implements ModContainer
 {
     private Mod modDescriptor;
     private Object modInstance;
-    private String source;
+    private File source;
 
-    public FMLModContainer(String source)
+    public FMLModContainer(String dummy)
+    {
+        this(new File(dummy));
+    }
+    public FMLModContainer(File source)
     {
         this.source = source;
     }
@@ -106,7 +111,7 @@ public class FMLModContainer implements ModContainer
     }
 
     @Override
-    public String getSource()
+    public File getSource()
     {
         return source;
     }
@@ -229,7 +234,7 @@ public class FMLModContainer implements ModContainer
     @Override
     public String toString()
     {
-        return getSource();
+        return getSource().getName();
     }
 
     /* (non-Javadoc)
diff --git a/fml/common/cpw/mods/fml/common/IFMLSidedHandler.java b/fml/common/cpw/mods/fml/common/IFMLSidedHandler.java
index 74a220388a..bf6d4d085f 100644
--- a/fml/common/cpw/mods/fml/common/IFMLSidedHandler.java
+++ b/fml/common/cpw/mods/fml/common/IFMLSidedHandler.java
@@ -8,7 +8,7 @@ public interface IFMLSidedHandler
     Logger getMinecraftLogger();
     File getMinecraftRootDirectory();
     boolean isModLoaderMod(Class<?> clazz);
-    ModContainer loadBaseModMod(Class<?> clazz, String canonicalPath);
+    ModContainer loadBaseModMod(Class<?> clazz, File canonicalFile);
     boolean isServer();
     boolean isClient();
 }
diff --git a/fml/common/cpw/mods/fml/common/Loader.java b/fml/common/cpw/mods/fml/common/Loader.java
index 1268ed3dc7..bc4b33a272 100644
--- a/fml/common/cpw/mods/fml/common/Loader.java
+++ b/fml/common/cpw/mods/fml/common/Loader.java
@@ -447,7 +447,7 @@ public class Loader
             else if (FMLCommonHandler.instance().isModLoaderMod(clazz))
             {
                 log.fine(String.format("ModLoader BaseMod class %s found, loading", clazzName));
-                ModContainer mc = FMLCommonHandler.instance().loadBaseModMod(clazz, classSource.getCanonicalPath());
+                ModContainer mc = FMLCommonHandler.instance().loadBaseModMod(clazz, classSource.getCanonicalFile());
                 mods.add(mc);
                 log.fine(String.format("ModLoader BaseMod class %s loaded", clazzName));
             }
diff --git a/fml/common/cpw/mods/fml/common/ModContainer.java b/fml/common/cpw/mods/fml/common/ModContainer.java
index 0b61f7e7e7..f7728e7321 100644
--- a/fml/common/cpw/mods/fml/common/ModContainer.java
+++ b/fml/common/cpw/mods/fml/common/ModContainer.java
@@ -13,6 +13,7 @@
  */
 package cpw.mods.fml.common;
 
+import java.io.File;
 import java.util.List;
 
 /**
@@ -69,10 +70,10 @@ public interface ModContainer
      */
     boolean matches(Object mod);
     /**
-     * The source of this mod: usually the file name on the file system
+     * The source of this mod: the file on the file system
      * @return
      */
-    String getSource();
+    File getSource();
     /**
      * The actual mod object itself
      * @return
diff --git a/fml/server/cpw/mods/fml/server/FMLServerHandler.java b/fml/server/cpw/mods/fml/server/FMLServerHandler.java
index c11d355ed9..0aa90e7da7 100644
--- a/fml/server/cpw/mods/fml/server/FMLServerHandler.java
+++ b/fml/server/cpw/mods/fml/server/FMLServerHandler.java
@@ -185,11 +185,11 @@ public class FMLServerHandler implements IFMLSidedHandler
     /**
      * Load the supplied mod class into a mod container
      */
-    public ModContainer loadBaseModMod(Class<?> clazz, String canonicalPath)
+    public ModContainer loadBaseModMod(Class<?> clazz, File canonicalFile)
     {
         @SuppressWarnings("unchecked")
         Class <? extends BaseMod > bmClazz = (Class <? extends BaseMod >) clazz;
-        return new ModLoaderModContainer(bmClazz, canonicalPath);
+        return new ModLoaderModContainer(bmClazz, canonicalFile);
     }
 
     /**
diff --git a/fml/server/cpw/mods/fml/server/ModLoaderModContainer.java b/fml/server/cpw/mods/fml/server/ModLoaderModContainer.java
index bfc850f431..665dad107a 100644
--- a/fml/server/cpw/mods/fml/server/ModLoaderModContainer.java
+++ b/fml/server/cpw/mods/fml/server/ModLoaderModContainer.java
@@ -43,11 +43,11 @@ public class ModLoaderModContainer implements ModContainer
     private Class <? extends BaseMod > modClazz;
     private BaseMod mod;
     private boolean isTicking;
-    private String modSource ;
+    private File modSource ;
     private ArrayList<String> dependencies;
     private ArrayList<String> preDependencies;
     private ArrayList<String> postDependencies;
-    public ModLoaderModContainer(Class <? extends BaseMod > modClazz, String modSource)
+    public ModLoaderModContainer(Class <? extends BaseMod > modClazz, File modSource)
     {
         this.modClazz = modClazz;
         this.modSource = modSource;
@@ -334,7 +334,7 @@ public class ModLoaderModContainer implements ModContainer
     }
 
     @Override
-    public String getSource()
+    public File getSource()
     {
         return modSource;
     }
@@ -475,7 +475,7 @@ public class ModLoaderModContainer implements ModContainer
 
     public String toString()
     {
-        return modSource;
+        return modSource.getName();
     }
 
     @Override