diff --git a/modules.d/95rootfs-block/genrules.sh b/modules.d/95rootfs-block/genrules.sh
index 0b42483b..4662a327 100755
--- a/modules.d/95rootfs-block/genrules.sh
+++ b/modules.d/95rootfs-block/genrules.sh
@@ -1,14 +1,14 @@
+if [ "${root#/dev/}" != "$root" ]; then
+
+    resume=$(getarg resume=) && ! getarg noresume  && {
+	(
+    	    /bin/echo -e 'KERNEL=="'${resume#/dev/}'", RUN+="/bin/echo %M:%m > /sys/power/resume"'
+    	    /bin/echo -e 'SYMLINK=="'${resume#/dev/}'", RUN+="/bin/echo %M:%m > /sys/power/resume"'
+	) >> /etc/udev/rules.d/99-resume.rules
+    }
 
-resume=$(getarg resume=) && ! getarg noresume && [ -b "$resume" ] && {
     (
-    	/bin/echo -e 'KERNEL=="'${resume#/dev/}'", RUN+="/bin/echo %M:%m > /sys/power/resume"'
-    	/bin/echo -e 'SYMLINK=="'${resume#/dev/}'", RUN+="/bin/echo %M:%m > /sys/power/resume"'
-    ) >> /etc/udev/rules.d/99-resume.rules
-}
-
-(
- echo 'KERNEL=="'${root#/dev/}'", RUN+="/bin/mount '$fstype' -o '$rflags' '$root' '$NEWROOT'" '
- echo 'SYMLINK=="'${root#/dev/}'", RUN+="/bin/mount '$fstype' -o '$rflags' '$root' '$NEWROOT'" '
-) >> /etc/udev/rules.d/99-mount.rules
-
-
+	echo 'KERNEL=="'${root#/dev/}'", RUN+="/bin/mount '$fstype' -o '$rflags' '$root' '$NEWROOT'" '
+	echo 'SYMLINK=="'${root#/dev/}'", RUN+="/bin/mount '$fstype' -o '$rflags' '$root' '$NEWROOT'" '
+    ) >> /etc/udev/rules.d/99-mount.rules
+fi
\ No newline at end of file