diff --git a/src/kernel_interface.c b/src/kernel_interface.c
index ed4a47b..e75ef4d 100644
--- a/src/kernel_interface.c
+++ b/src/kernel_interface.c
@@ -167,8 +167,7 @@ init_coda(int *dev, dav_run_msgloop_fn *msg_loop, void **mdata)
         ++minor;
     }
 
-    if (*dev <= 0) {
-        system("/sbin/modprobe coda &>/dev/null");
+    if (*dev <= 0 && system("/sbin/modprobe coda &>/dev/null") == 0) {
         minor = 0;
         while (*dev <= 0 && minor < MAX_CODADEVS) {
             char *path;
@@ -223,8 +222,7 @@ init_fuse(int *dev, dav_run_msgloop_fn *msg_loop, void **mdata,
             abort();
 
     *dev = open(path, O_RDWR | O_NONBLOCK);
-    if (*dev <= 0) {
-        system("/sbin/modprobe fuse &>/dev/null");
+    if (*dev <= 0 && system("/sbin/modprobe fuse &>/dev/null") == 0) {
         *dev = open(path, O_RDWR | O_NONBLOCK);
     }
     if (*dev <= 0) {
diff --git a/src/mount_davfs.c b/src/mount_davfs.c
index b767656..49486da 100644
--- a/src/mount_davfs.c
+++ b/src/mount_davfs.c
@@ -72,6 +72,7 @@
 #include <ne_utils.h>
 
 #include "defaults.h"
+#include "../gl/canonicalize.h"
 #include "mount_davfs.h"
 #include "kernel_interface.h"
 #include "cache.h"
@@ -528,7 +529,7 @@ check_dirs(dav_args *args)
                 char *template = ne_concat(DAV_DATA_DIR, "/", DAV_CONFIG, NULL);
                 char *command = ne_concat("cp ", template, " ", file_name,
                                           NULL);
-                system(command);
+                if (system(command) != 0);
                 free(command);
                 free(template);
             }