Index: main/pbx.c
===================================================================
--- main/pbx.c	(revision 228971)
+++ main/pbx.c	(working copy)
@@ -701,8 +701,10 @@
 		if (*p + 2 < end && (*p)[1] == '-') { /* this is a range */
 			c2 = (unsigned char)((*p)[2]);
 			*p += 2;	/* skip a total of 3 chars */
-		} else			/* individual character */
+		} else {		/* individual character */
 			c2 = c1;
+			break;
+		}
 		if (c1 < cmin)
 			cmin = c1;
 		for (; c1 <= c2; c1++) {