diff --git a/src/ScriptTcl.C b/src/ScriptTcl.C
index d02c6ad1..b3aa9b49 100644
--- a/src/ScriptTcl.C
+++ b/src/ScriptTcl.C
@@ -2085,11 +2085,11 @@ int ScriptTcl::Tcl_reloadStructure(ClientData clientData,
 }
 
 
-extern "C" void newhandle_msg(void *v, const char *msg) {
+extern "C" void newhandle_msg(void *vdata, void *v, const char *msg) {
   CkPrintf("psfgen) %s\n",msg);
 }
 
-extern "C" void newhandle_msg_ex(void *v, const char *msg, int prepend, int newline) {
+extern "C" void newhandle_msg_ex(void *vdata, void *v, const char *msg, int prepend, int newline) {
   CkPrintf("%s%s%s", (prepend ? "psfgen) " : ""), msg, (newline ? "\n" : ""));
 }