--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultTruffleRuntime.java	Wed Feb 11 18:00:29 2015 +0100
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultTruffleRuntime.java	Thu Feb 12 03:42:51 2015 +0100
@@ -29,6 +29,7 @@
 import com.oracle.truffle.api.*;
 import com.oracle.truffle.api.frame.*;
 import com.oracle.truffle.api.nodes.*;
+import com.oracle.truffle.api.unsafe.*;
 
 /**
  * Default implementation of the Truffle runtime if the virtual machine does not provide a better
@@ -147,6 +148,9 @@
     }
 
     public <T> T getCapability(Class<T> capability) {
+        if (capability == UnsafeAccessFactory.class) {
+            return capability.cast(new UnsafeAccessFactoryImpl());
+        }
         return null;
     }