diff --git a/filebytes b/filebytes
index dafdbe6..f95a315 160000
--- a/filebytes
+++ b/filebytes
@@ -1 +1 @@
-Subproject commit dafdbe6ab642041bfdedd8d09676944e80e13ce2
+Subproject commit f95a315a8c0082dd6249d7d7a2e948653e6e268a
diff --git a/ropper/loaders/mach_o.py b/ropper/loaders/mach_o.py
index 24f59f4..f057f5a 100644
--- a/ropper/loaders/mach_o.py
+++ b/ropper/loaders/mach_o.py
@@ -98,7 +98,15 @@ class MachO(Loader):
         return {}
 
     def _loadFile(self, fileName, bytes=None):
-        return macho.MachO(fileName, bytes)
+        mf = macho.MachO(fileName, bytes)
+        if mf.isFat:
+            if not self._arch:
+                return mf.fatArches[0]
+            for arch in mf.fatArches:
+                if ARCH[arch.machHeader.header.cputype] == self._arch:
+                    return arch
+        return mf
+
 
     @classmethod
     def isSupportedFile(cls, fileName, bytes=None):