@@ -1280,6 +1280,7 @@ re_processcommand(re_t *re)

                 re->cachelastsearch[sizeof(re->cachelastsearch)-1]='\0';

                 strncpy(re->commandbuf,re->cachelastreplacewith,sizeof(re->commandbuf));

                 re->commandbuf[sizeof(re->commandbuf)-1]='\0';

+                re->is_oldcommandbuf=1;

                 re->headerdirty=1;

                 return(0);

         } else if(strcmp(re->command,COMMAND_REPLACEWITH)==0) {

@@ -1287,6 +1288,7 @@ re_processcommand(re_t *re)

                 strncpy(re->cachelastreplacewith,re->commandbuf,sizeof(re->cachelastreplacewith));

                 re->cachelastreplacewith[sizeof(re->cachelastreplacewith)-1]='\0';

                 re->commandbuf[0]='\0';

+                re->is_oldcommandbuf=0;

                 re->headerdirty=1;

                 return(0);

         } else if(strcmp(re->command,COMMAND_REPLACEHOW)==0) {