diff -ur geninitrd-10000.18.orig/geninitrd geninitrd-10000.18/geninitrd
--- geninitrd-10000.18.orig/geninitrd	2009-08-31 21:31:46.000000000 +0200
+++ geninitrd-10000.18/geninitrd	2009-09-19 22:40:21.932301167 +0200
@@ -795,6 +795,8 @@
 	# a specified one, take it
 	if ! is_yes "$mode"; then
 		compressors="$mode"
+	else
+		compressors="gzip"
 	fi
 
 	debug "finding compressor: $compressors (via $mode)"
diff -ur geninitrd-10000.18.orig/geninitrd.sysconfig geninitrd-10000.18/geninitrd.sysconfig
--- geninitrd-10000.18.orig/geninitrd.sysconfig	2009-08-31 21:31:46.000000000 +0200
+++ geninitrd-10000.18/geninitrd.sysconfig	2009-09-19 22:41:49.252501100 +0200
@@ -9,7 +9,7 @@
 
 ## Compression for the initrd.
 ## lzma / bzip2 / gzip.
-## yes (default) = the 'best' available is chosen.
+## yes = gzip (for backward compatibility)
 #COMPRESS=yes
 
 ## What filesystem to use (rom or ext2)?