--- src/cobfusc/cobfusc.c.orig	Wed Mar 26 07:58:16 1997
+++ src/cobfusc/cobfusc.c	Fri Aug 11 15:36:09 2000
@@ -342,25 +342,31 @@
 		/*
 		 * Convert the string to uppercase.
 		 */
-		while (*p)
-			*p = toupper(*p++);
+		while (*p) {
+			*p = toupper(*p);
+			p++;
+		}
 		break;
 	case 2:
 		/*
 		 * Convert the string to lowercase.
 		 */
-		while (*p)
-			*p = tolower(*p++);
+		while (*p) {
+			*p = tolower(*p);
+			p++;
+		}
 		break;
 	default:
 		/*
 		 * Convert the string to random case.
 		 */
-		while (*p)
+		while (*p) {
 			if (RANDOM(2) == 1)
-				*p = toupper(*p++);
+				*p = toupper(*p);
 			else
-				*p = tolower(*p++);
+				*p = tolower(*p);
+			p++;
+		}
 	}
 
 	return buf;