1 files changed, 4 insertions, 3 deletions

diff --git a/df.c b/df.c
index f8a953f7d..94b6b8231 100644
--- a/df.c
+++ b/df.c
@@ -31,6 +31,7 @@
 static const char df_usage[] = "df [filesystem ...]\n"
     "\n" "\tPrint the filesystem space used and space available.\n";
 
+extern const char mtab_file[]; /* Defined in utility.c */
 
 static int df(char *device, const char *mountPoint)
 {
@@ -113,7 +114,7 @@ extern int df_main(int argc, char **argv)
         int status;
 
         while (argc > 1) {
-            if ((mountEntry = findMountPoint(argv[1], "/proc/mounts")) ==
+            if ((mountEntry = findMountPoint(argv[1], mtab_file)) ==
                 0) {
                 fprintf(stderr, "%s: can't find mount point.\n", argv[1]);
                 return 1;
@@ -129,9 +130,9 @@ extern int df_main(int argc, char **argv)
         FILE *mountTable;
         struct mntent *mountEntry;
 
-        mountTable = setmntent("/proc/mounts", "r");
+        mountTable = setmntent(mtab_file, "r");
         if (mountTable == 0) {
-            perror("/proc/mounts");
+            perror(mtab_file);
             exit(FALSE);
         }