diff --git a/src/db/dbCAC.h b/src/db/dbCAC.h
index 83a636366..d45fa7d59 100644
--- a/src/db/dbCAC.h
+++ b/src/db/dbCAC.h
@@ -88,7 +88,7 @@ public:
     void destroy ();
     int initiatePutNotify ( cacNotify &notify, struct dbAddr &addr, 
             unsigned type, unsigned long count, const void *pValue );
-    uninstallPutNotifyIO ( dbPutNotifyIO &io );
+    void uninstallPutNotifyIO ( dbPutNotifyIO &io );
     dbChannelIO & channel () const;
     void show ( unsigned level ) const;
     void * operator new ( size_t size );
diff --git a/src/db/dbPutNotifyBlocker.cpp b/src/db/dbPutNotifyBlocker.cpp
index d69fe7f31..fab282c7a 100644
--- a/src/db/dbPutNotifyBlocker.cpp
+++ b/src/db/dbPutNotifyBlocker.cpp
@@ -51,7 +51,7 @@ dbPutNotifyBlocker::~dbPutNotifyBlocker ()
     }
 }
 
-dbPutNotifyBlocker::uninstallPutNotifyIO ( dbPutNotifyIO &io )
+void dbPutNotifyBlocker::uninstallPutNotifyIO ( dbPutNotifyIO &io )
 {
     dbAutoScanLock ( this->chan );
     if ( &io == this->pPN ) {