diff --git a/src/db/dbCAC.h b/src/db/dbCAC.h
index 0790fd41c..a0967bbf1 100644
--- a/src/db/dbCAC.h
+++ b/src/db/dbCAC.h
@@ -145,7 +145,8 @@ class dbServiceIO : public cacService {
 public:
     dbServiceIO ();
     virtual ~dbServiceIO ();
-    cacChannel *createChannel ( const char *pName, cacChannelNotify & );
+    cacChannel * createChannel ( const char *pName, 
+                    cacChannelNotify &, cacChannel::priLev );
     void callReadNotify ( struct dbAddr &addr, unsigned type, unsigned long count, 
             cacReadNotify &notify );
     void callStateNotify ( struct dbAddr &addr, unsigned type, unsigned long count, 
diff --git a/src/db/dbServiceIO.cpp b/src/db/dbServiceIO.cpp
index 391dd4790..0e5e00765 100644
--- a/src/db/dbServiceIO.cpp
+++ b/src/db/dbServiceIO.cpp
@@ -68,7 +68,8 @@ dbServiceIO::~dbServiceIO ()
 }
 
 cacChannel *dbServiceIO::createChannel (
-            const char *pName, cacChannelNotify &notify )
+            const char *pName, cacChannelNotify &notify, 
+            cacChannel::priLev )
 {
     struct dbAddr addr;