diff --git a/src/system/boot/platform/u-boot/Jamfile b/src/system/boot/platform/u-boot/Jamfile
index 16bb0d9a8a..79a3cfa03b 100644
--- a/src/system/boot/platform/u-boot/Jamfile
+++ b/src/system/boot/platform/u-boot/Jamfile
@@ -145,8 +145,12 @@ rule BuildUBootSDImage image : files
 	SDIMAGE_BLOCK_SIZE on $(image) = 1M ;
 	SDIMAGE_SIZE on $(image) = $(HAIKU_BOARD_SDIMAGE_SIZE) ;
 	SDIMAGE_FDISK on $(image) = $(HOST_SFDISK) ;
+	# do not change the formatting, we need the linefeeds!
 	SDIMAGE_FDISK_SCRIPT on $(image) = 
-		"0,$(HAIKU_BOARD_SDIMAGE_FAT_SIZE),0c,-\\\n,,eb\\\n\\\n" ;
+		"0,$(HAIKU_BOARD_SDIMAGE_FAT_SIZE),0c,-
+,,eb
+
+" ;
 	SDIMAGE_FDISK_H on $(image) = 255 ;
 	SDIMAGE_FDISK_S on $(image) = 63 ;
 	SDIMAGE_FDISK_UNIT on $(image) = M ;
@@ -164,7 +168,7 @@ actions BuildUBootSDImage1
 		bs=$(SDIMAGE_BLOCK_SIZE) \
 		count=$(SDIMAGE_SIZE)
 	# partition it
-	echo -e '$(SDIMAGE_FDISK_SCRIPT)' | $(SDIMAGE_FDISK) -f -D \
+	echo '$(SDIMAGE_FDISK_SCRIPT)' | $(SDIMAGE_FDISK) -f -D \
 		-H $(SDIMAGE_FDISK_H) -S $(SDIMAGE_FDISK_S) \
 		-u$(SDIMAGE_FDISK_UNIT) $(<)
 	# generate mtools config