diff --git a/Makefile b/Makefile
index e565188..9c2d6c4 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ CFLAGS = -w-1 -O-1
 HTTPTEST_OBJS = httptest.a hostname.a http.a readtcp.a seturl.a strcasecmp.a tcpconnection.a urlparser.a
 HTTPTEST_PROG = httptest
 
-MOUNTURL_OBJS = mounturl.a
+MOUNTURL_OBJS = mounturl.a netdiskerror.a
 MOUNTURL_PROG = mounturl
 
 NETDISKINIT_OBJS = initstart.a netdiskinit.a hostname.a http.a readtcp.a seturl.a strcasecmp.a tcpconnection.a urlparser.a driver.a installdriver.a asmglue.a driverwrapper.a session.a systemservices.a
diff --git a/httptest.c b/httptest.c
index d96ec68..e07c72b 100644
--- a/httptest.c
+++ b/httptest.c
@@ -13,14 +13,6 @@
 #include "tcpconnection.h"
 #include "readtcp.h"
 
-/*
-http://archive.org/download/a2gs_System_1.0_1986_Apple_FW/System_1.0_1986_Apple_FW.2mg
-redirects to:
-http://ia800505.us.archive.org/16/items/a2gs_System_1.0_1986_Apple_FW/System_1.0_1986_Apple_FW.2mg
-*/
-
-char *defaultURL = "http://archive.org/download/a2gs_System_1.0_1986_Apple_FW/System_1.0_1986_Apple_FW.2mg";
-
 char buf[512];
 
 int main(int argc, char **argv) {
@@ -37,7 +29,10 @@ int main(int argc, char **argv) {
 
     Session sess = {0};
 
-    char *url = (argc > 1) ? argv[1] : defaultURL;
+    if (argc < 2)
+        goto exit;
+
+    char *url = argv[1];
     
     enum NetDiskError result = SetURL(&sess, url, TRUE, FALSE);
 
diff --git a/mounturl.c b/mounturl.c
index 0abd8ee..1e2eeca 100644
--- a/mounturl.c
+++ b/mounturl.c
@@ -3,21 +3,48 @@
 #include <stdio.h>
 #include <locator.h>
 #include "mounturl.h"
+#include "netdiskerror.h"
+
+static void usage(void) {
+    fprintf(stderr, "Usage: mounturl [-c] url\n");
+    exit(EXIT_FAILURE);
+}
+
 
 int main(int argc, char **argv) {
-    if (argc < 2)
-        return -1;
-    
     struct MountURLRec mountURLRec = {sizeof(struct MountURLRec)};
+    int i = 1;
+    int flags = flgUseCache;
+    
+    while (i < argc && argv[i][0] == '-') {
+        switch(argv[i][1]) {
+        case 'c':
+                flags &= ~flgUseCache;
+                break;
+
+        default:
+                usage();
+        }
+        i++;
+    }
+    
+    if (i >= argc)
+        usage();
+    
     mountURLRec.result = NETDISK_NOT_PRESENT;
-    mountURLRec.url = argv[1];
-    mountURLRec.flags = flgUseCache;
+    mountURLRec.url = argv[i];
+    mountURLRec.flags = flags;
     
     SendRequest(MountURL, sendToName|stopAfterOne, (Long)NETDISK_REQUEST_NAME,
                 (Long)&mountURLRec, NULL);
     
     if (mountURLRec.result != OPERATION_SUCCESSFUL) {
-        fprintf(stderr, "MountURL error %u\n", mountURLRec.result);
+        char *errString = ErrorString(mountURLRec.result);
+        if (strchr(errString, '*') == NULL) {
+            fprintf(stderr, "%s\n", errString);
+        } else {
+            fprintf(stderr, "NetDisk error %u.\n", mountURLRec.result);
+        }
         return 1;
     }