diff --git a/compiler/driver/compiler_driver-inl.h b/compiler/driver/compiler_driver-inl.h
index 8f1987a..e535afd 100644
--- a/compiler/driver/compiler_driver-inl.h
+++ b/compiler/driver/compiler_driver-inl.h
@@ -34,7 +34,7 @@
   return mUnit->GetClassLinker()->FindDexCache(Thread::Current(), *mUnit->GetDexFile(), false);
 }
 
-inline mirror::ClassLoader* CompilerDriver::GetClassLoader(ScopedObjectAccess& soa,
+inline mirror::ClassLoader* CompilerDriver::GetClassLoader(const ScopedObjectAccess& soa,
                                                            const DexCompilationUnit* mUnit) {
   return soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader());
 }