diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index f88e3183..7b0fe8ea 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -1734,7 +1734,7 @@ sub initialize_conf
   my $use_devfs = 0;
   open INPUTFILE, "/proc/mounts" or die "Can't access /proc/mounts!";
   while (<INPUTFILE>) {
-    if (m@^none /dev devfs @) {
+    if (m@^\w+ /dev devfs @) {
       $use_devfs = 1;
       $dev_i2c = '/dev/i2c/';
       last;