diff --git a/install/autodetect b/install/autodetect
index 6b8477f..61e2726 100644
--- a/install/autodetect
+++ b/install/autodetect
@@ -8,14 +8,14 @@ install ()
                   sed -e 's/ata_generic//g' -e 's/ide_generic//g')"
 
 
-    #Filesystem detection, only probe the device for /
+    # Filesystem detection, detect all mounted devices/partitions
+    # may add more modules than needed, but fewer than without autodetect.
     findfs ()
     {
-        local rootdev
-
         if [ -f /proc/self/mountinfo -a -x /bin/findmnt ]; then
-            rootdev=$(/bin/findmnt -n -u -o source /)
-            /sbin/blkid -u filesystem -o value -s TYPE -p "${rootdev}" 2>/dev/null
+            for dev in $(/bin/findmnt -n -u -o source); do
+                /sbin/blkid -u filesystem -o value -s TYPE -p "$dev" 2>/dev/null
+            done
         fi
     }