diff --git a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/service/IRegisters.java b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/service/IRegisters.java
index 2de1e39d168..afd2193a50f 100644
--- a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/service/IRegisters.java
+++ b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/service/IRegisters.java
@@ -152,7 +152,7 @@ public interface IRegisters extends IFormattedValues {
      * @param ctx Context for the returned data.
      * @param rm Request completion monitor.
      */
-    void getBitFields(IRegisterDMContext ctx, DataRequestMonitor<IBitFieldDMContext[]> rm);
+    void getBitFields(IDMContext ctx, DataRequestMonitor<IBitFieldDMContext[]> rm);
     
     /** 
      * Writes a register value for a given register to the target
diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRegisters.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRegisters.java
index 222464175d2..e4aaca93a0a 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRegisters.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRegisters.java
@@ -490,7 +490,7 @@ public class MIRegisters extends AbstractDsfService implements IRegisters {
      * (non-Javadoc)
      * @see org.eclipse.dd.dsf.debug.service.IRegisters#getBitFields(org.eclipse.dd.dsf.debug.service.IRegisters.IRegisterDMContext, org.eclipse.dd.dsf.concurrent.DataRequestMonitor)
      */
-    public void getBitFields( IRegisterDMContext regDmc , DataRequestMonitor<IBitFieldDMContext[]> rm ) {
+    public void getBitFields( IDMContext regDmc , DataRequestMonitor<IBitFieldDMContext[]> rm ) {
         rm.setStatus(new Status(IStatus.ERROR, MIPlugin.PLUGIN_ID, NOT_SUPPORTED, "BitField not supported", null)); //$NON-NLS-1$
         rm.done();
     }