diff --git a/src/elogd.c b/src/elogd.c
index e63db0ea..03dddd7d 100755
--- a/src/elogd.c
+++ b/src/elogd.c
@@ -1440,7 +1440,8 @@ void stou(char *str)
    int i;
 
    for (i = 0; i < (int) strlen(str); i++)
-      if (str[i] == ' ' || str[i] == '.' || str[i] == '/' || str[i] == '\\' || str[i] == '-')
+      if (str[i] == ' ' || str[i] == '.' || str[i] == '/' || 
+          str[i] == '\\' || str[i] == '-' || str[i] == '(' || str[i] == ')')
          str[i] = '_';
 }