diff --git a/src/globals.c b/src/globals.c
index 6b6051a0..6c1f24a8 100644
--- a/src/globals.c
+++ b/src/globals.c
@@ -168,8 +168,6 @@ int yyparse_error = 0;
 char *xschem_executable=NULL;
 Tcl_Interp *interp = NULL;
 double *character[256]; /* array or per-char coordinates of xschem internal vector font */
-int quit=0;  /* set from process_options (ex netlist from cmdline and quit) */
-int detach = 0; /* no tcl console if set; batch mode */
 #ifndef __unix__
 char win_temp_dir[PATH_MAX]="";
 const char fopen_read_mode[] = "rb";
@@ -197,6 +195,8 @@ int cli_opt_do_print=0;
 int cli_opt_do_netlist=0;  /* set by process_options if user wants netllist from cmdline */
 int cli_opt_do_simulation=0;
 int cli_opt_do_waves=0;
+int cli_opt_detach = 0; /* no tcl console if set; batch mode */
+int cli_opt_quit=0;  /* set from process_options (ex netlist from cmdline and quit) */
 char cli_opt_tcl_script[PATH_MAX] = {'\0'};
 char cli_opt_initial_netlist_name[PATH_MAX]={0};
 char cli_opt_rcfile[PATH_MAX] = {'\0'};
diff --git a/src/main.c b/src/main.c
index 2fa5c9ce..6a71a753 100644
--- a/src/main.c
+++ b/src/main.c
@@ -87,8 +87,8 @@ int main(int argc, char **argv)
   my_strdup(_ALLOC_ID_, &xschem_executable, argv[0]);
   if(debug_var>=1 && !has_x)
     fprintf(errfp, "main(): no DISPLAY set, assuming no X available\n");
-  /* if detach is 1 no interactive command shell is created ...
-   * using detach if no windowing exists (has_x == 0) is non sense so do nothing
+  /* if cli_opt_detach is 1 no interactive command shell is created ...
+   * using cli_opt_detach if no windowing exists (has_x == 0) is non sense so do nothing
    */
 
 
@@ -101,7 +101,7 @@ int main(int argc, char **argv)
   }
 
 
-  if(detach) {
+  if(cli_opt_detach) {
     fclose(stdin);
     #ifdef __unix__
     freopen("/dev/null", "w", stdout);
@@ -111,7 +111,7 @@ int main(int argc, char **argv)
     freopen("nul", "w", stderr);
     #endif
   }
-  if(detach && has_x) {
+  if(cli_opt_detach && has_x) {
     Tcl_FindExecutable(argv[0]); /* tcl stores executable name for its internal usage */
     interp = Tcl_CreateInterp(); /* create the tcl interpreter */
     Tcl_AppInit(interp); /* execute our init function */
diff --git a/src/options.c b/src/options.c
index f4d7efd4..3cf9dd0a 100644
--- a/src/options.c
+++ b/src/options.c
@@ -138,18 +138,18 @@ static void check_opt(char *opt, char *optval, int type)
         cli_opt_netlist_type=CAD_VERILOG_NETLIST;
 
     } else if( (type == SHORT && *opt == 'b') || (type == LONG && !strcmp("detach", opt)) ) {
-        detach = 1;
+        cli_opt_detach = 1;
 
     } else if( (type == SHORT && *opt == 'v') || (type == LONG && !strcmp("version", opt)) ) {
         print_version();
-        quit=1;
+        cli_opt_quit=1;
         has_x=0;
     } else if( (type == SHORT && *opt == 't') || (type == LONG && !strcmp("tedax", opt)) ) {
         dbg(1, "process_options(): set netlist type to tEDAx\n");
         cli_opt_netlist_type=CAD_TEDAX_NETLIST;
 
     } else if( (type == SHORT && *opt == 'q') || (type == LONG && !strcmp("quit", opt)) ) {
-        quit=1;
+        cli_opt_quit=1;
 
     } else if( (type == SHORT && *opt == 'x') || (type == LONG && !strcmp("no_x", opt)) ) {
         has_x=0;
@@ -159,7 +159,7 @@ static void check_opt(char *opt, char *optval, int type)
 
     } else if( (type == SHORT && *opt == 'h') || (type == LONG && !strcmp("help", opt)) ) {
         help=1;
-        quit=1;
+        cli_opt_quit=1;
         has_x=0;
     } else {
         fprintf(errfp, "Unknown option: %s\n", opt);
diff --git a/src/xinit.c b/src/xinit.c
index 48feb71e..950f7f50 100644
--- a/src/xinit.c
+++ b/src/xinit.c
@@ -909,7 +909,7 @@ static void xwin_exit(void)
  dbg(1, "xwin_exit(): closing tcp servers\n");
  tcleval("if {[info exists xschem_server_getdata(server)]} { close $xschem_server_getdata(server) }");
  tcleval("if {[info exists bespice_server_getdata(server)]} { close $bespice_server_getdata(server) }");
- if(!detach) printf("\n");
+ if(!cli_opt_detach) printf("\n");
  init_done=0; /* 20150409 to avoid multiple calls */
 }
 
@@ -2817,7 +2817,7 @@ int Tcl_AppInit(Tcl_Interp *inter)
    tcleval(cli_opt_tcl_post_command);
  }
 
- if(quit) {
+ if(cli_opt_quit) {
    tcleval("exit");
  }
 
@@ -2827,7 +2827,7 @@ int Tcl_AppInit(Tcl_Interp *inter)
  /* */
 
 
- if(tclgetboolvar("use_tclreadline") && !detach && !cli_opt_no_readline) {
+ if(tclgetboolvar("use_tclreadline") && !cli_opt_detach && !cli_opt_no_readline) {
    tcleval( "if {![catch {package require tclreadline}]} "
      "{::tclreadline::readline builtincompleter 0;"
       "::tclreadline::readline customcompleter completer;"
diff --git a/src/xschem.h b/src/xschem.h
index b8f7e032..f153aa85 100644
--- a/src/xschem.h
+++ b/src/xschem.h
@@ -1109,8 +1109,6 @@ extern int yyparse_error;
 extern char *xschem_executable;
 extern Tcl_Interp *interp;
 extern double *character[256];
-extern int quit;
-extern int detach; /* no TCL console */
 extern const char fopen_read_mode[]; /* "r" on unix, "rb" on windows */
 
 /*********** Cmdline options  (used at xinit, and then not used anymore) ***********/
@@ -1130,6 +1128,8 @@ extern int cli_opt_do_print;
 extern int cli_opt_do_netlist;
 extern int cli_opt_do_simulation;
 extern int cli_opt_do_waves;
+extern int cli_opt_detach; /* no TCL console */
+extern int cli_opt_quit;
 extern char cli_opt_tcl_script[PATH_MAX];
 extern char cli_opt_initial_netlist_name[PATH_MAX];
 extern char cli_opt_rcfile[PATH_MAX];