diff --git a/cde/programs/dtcm/server/rtable3.c b/cde/programs/dtcm/server/rtable3.c
index faecb2aed..2828198d0 100644
--- a/cde/programs/dtcm/server/rtable3.c
+++ b/cde/programs/dtcm/server/rtable3.c
@@ -377,11 +377,13 @@ _DtCm_deregister_callback_3_svc(Registration_3 *r, struct svc_req *svcrq)
 
         stat = 0;
 
-        newreg = _DtCm_reg3_to_reg4(r);       
-        newstat = _DtCm_deregister_callback_4_svc(newreg, svcrq);       
-        stat = _DtCm_regstat4_to_regstat3(*newstat);       
+        newreg = _DtCm_reg3_to_reg4(r);
+        if(newreg) {
+                newstat = _DtCm_deregister_callback_4_svc(newreg, svcrq);
+                stat = _DtCm_regstat4_to_regstat3(*newstat);
 
-        if (newreg!=NULL) xdr_free((xdrproc_t)_DtCm_xdr_Registration_4, (char*)newreg);        
+                xdr_free((xdrproc_t)_DtCm_xdr_Registration_4, (char*)newreg);
+        }
         return(&stat);
 }