diff --git a/lib/app_ipc.C b/lib/app_ipc.C
index 1011ed0156..526483b096 100755
--- a/lib/app_ipc.C
+++ b/lib/app_ipc.C
@@ -59,9 +59,11 @@ int write_init_data_file(FILE* f, APP_INIT_DATA& ai) {
 		xml_escape(str1, str2);
         fprintf(f, "<user_name>%s</user_name>\n", str2.c_str());
     }
+#ifdef _WIN32
     if (strlen(ai.comm_obj_name)) {
         fprintf(f, "<comm_obj_name>%s</comm_obj_name>\n", ai.comm_obj_name);
     }
+#endif
     fprintf(f,
         "<wu_cpu_time>%f</wu_cpu_time>\n"
         "<user_total_credit>%f</user_total_credit>\n"
@@ -102,7 +104,9 @@ int parse_init_data_file(FILE* f, APP_INIT_DATA& ai) {
         else if (parse_str(buf, "<app_name>", ai.app_name, sizeof(ai.app_name))) continue;
         else if (parse_str(buf, "<user_name>", ai.user_name, sizeof(ai.user_name))) continue;
         else if (parse_str(buf, "<team_name>", ai.team_name, sizeof(ai.team_name))) continue;
+#ifdef _WIN32
         else if (parse_str(buf, "<comm_obj_name>", ai.comm_obj_name, sizeof(ai.comm_obj_name))) continue;
+#endif
         else if (parse_double(buf, "<user_total_credit>", ai.user_total_credit)) continue;
         else if (parse_double(buf, "<user_expavg_credit>", ai.user_expavg_credit)) continue;
         else if (parse_double(buf, "<host_total_credit>", ai.host_total_credit)) continue;