1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/lxdialog/util.c b/scripts/lxdialog/util.c
index b3a7af9..e7bce9b 100644
--- a/scripts/lxdialog/util.c
+++ b/scripts/lxdialog/util.c
@@ -327,33 +327,33 @@ draw_shadow (WINDOW * win, int y, int x, int height, int width)
         wmove (win, y + height, x + 2);
         for (i = 0; i < width; i++)
             waddch (win, winch (win) & A_CHARTEXT);
         for (i = y + 1; i < y + height + 1; i++) {
             wmove (win, i, x + width);
             waddch (win, winch (win) & A_CHARTEXT);
             waddch (win, winch (win) & A_CHARTEXT);
         }
         wnoutrefresh (win);
     }
 }
 
 /*
  *  Return the position of the first alphabetic character in a string.
  */
 int
 first_alpha(const char *string, const char *exempt)
 {
         int i, in_paren=0, c;
 
         for (i = 0; i < strlen(string); i++) {
                 c = tolower(string[i]);
 
                 if (strchr("<[(", c)) ++in_paren;
-                if (strchr(">])", c)) --in_paren;
+                if (strchr(">])", c) && in_paren > 0) --in_paren;
 
                 if ((! in_paren) && isalpha(c) && 
                      strchr(exempt, c) == 0)
                         return i;
         }
 
         return 0;
 }