diff --git a/src/gateware/kasli_soc.py b/src/gateware/kasli_soc.py
index 82a46f4..ff1667c 100755
--- a/src/gateware/kasli_soc.py
+++ b/src/gateware/kasli_soc.py
@@ -279,7 +279,7 @@ class GenericMaster(SoCCore):
             self.drtio_cri.append(core.cri)
             self.csr_devices.append(core_name)
 
-            coreaux = cdr(aux_controller.DRTIOAuxControllerBare(core.link_layer))
+            coreaux = cdr(drtio_aux_controller.DRTIOAuxControllerBare(core.link_layer))
             setattr(self.submodules, coreaux_name, coreaux)
             self.csr_devices.append(coreaux_name)
 
@@ -412,7 +412,7 @@ class GenericSatellite(SoCCore):
                 self.drtio_cri.append(core.cri)
                 self.csr_devices.append(corerep_name)
 
-            coreaux = cdr(aux_controller.DRTIOAuxControllerBare(core.link_layer))
+            coreaux = cdr(drtio_aux_controller.DRTIOAuxControllerBare(core.link_layer))
             setattr(self.submodules, coreaux_name, coreaux)
             self.csr_devices.append(coreaux_name)
 
diff --git a/src/gateware/zc706.py b/src/gateware/zc706.py
index c982c70..9ef1c76 100755
--- a/src/gateware/zc706.py
+++ b/src/gateware/zc706.py
@@ -248,7 +248,7 @@ class _MasterBase(SoCCore):
             self.drtio_cri.append(core.cri)
             self.csr_devices.append(core_name)
 
-            coreaux = cdr(aux_controller.DRTIOAuxControllerBare(core.link_layer))
+            coreaux = cdr(drtio_aux_controller.DRTIOAuxControllerBare(core.link_layer))
             setattr(self.submodules, coreaux_name, coreaux)
             self.csr_devices.append(coreaux_name)
 
@@ -384,7 +384,7 @@ class _SatelliteBase(SoCCore):
             # Repeaters - there would be for i != 0 - however zc706 only has one SFP
             # and no other means to connect to 
 
-            coreaux = cdr(aux_controller.DRTIOAuxControllerBare(core.link_layer))
+            coreaux = cdr(drtio_aux_controller.DRTIOAuxControllerBare(core.link_layer))
             setattr(self.submodules, coreaux_name, coreaux)
             self.csr_devices.append(coreaux_name)