diff --git a/target/linux/brcm-2.4/image/Makefile b/target/linux/brcm-2.4/image/Makefile
index 6515d134c8..46c660f7f8 100644
--- a/target/linux/brcm-2.4/image/Makefile
+++ b/target/linux/brcm-2.4/image/Makefile
@@ -19,6 +19,9 @@ define Image/Prepare
 		TARGET="$(KDIR)" \
 		clean install
 	echo -ne "\\x00" >> $(KDIR)/loader.gz
+	rm -f $(KDIR)/fs_mark
+	touch $(KDIR)/fs_mark
+	$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
 endef
 
 ifneq ($(KERNEL),2.4)
@@ -41,22 +44,17 @@ define Image/Build/USR
 endef
 
 define trxalign/jffs2-128k
--a 0x20000
+-a 0x20000 -f $(KDIR)/root.$(1)
 endef
 define trxalign/jffs2-64k
--a 0x10000
+-a 0x10000 -f $(KDIR)/root.$(1)
 endef
 define trxalign/squashfs
--a 1024
-endef
-
-define Image/Build/squashfs
-    $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+-a 1024 -f $(KDIR)/root.$(1) -a 0x10000 -A $(KDIR)/fs_mark
 endef
 
 define Image/Build
-	$(call Image/Build/$(1))
-	$(STAGING_DIR)/bin/trx -o $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma $(call trxalign/$(1)) -f $(KDIR)/root.$(1)
+	$(STAGING_DIR)/bin/trx -o $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma $(call trxalign/$(1),$(1)) 
 ifneq ($(1),jffs2-128k)
 	$(call Image/Build/CyberTAN,$(1),wrt54g3g,W54F,2.01.1,$(patsubst jffs2-%,jffs2,$(1)))
 	$(call Image/Build/CyberTAN,$(1),wrt54g,W54G,4.60.1,$(patsubst jffs2-%,jffs2,$(1)))
diff --git a/tools/firmware-utils/src/trx.c b/tools/firmware-utils/src/trx.c
index 787ffa8946..1131238a4e 100644
--- a/tools/firmware-utils/src/trx.c
+++ b/tools/firmware-utils/src/trx.c
@@ -88,7 +88,7 @@ int main(int argc, char **argv)
 	char *ofn = NULL;
 	char *buf;
 	char *e;
-	int c, i;
+	int c, i, append;
 	size_t n;
 	uint32_t cur_len;
 	unsigned long maxlen = TRX_MAX_LEN;
@@ -110,11 +110,15 @@ int main(int argc, char **argv)
 	in = NULL;
 	i = 0;
 
-	while ((c = getopt(argc, argv, "-:o:m:a:b:f:")) != -1) {
+	while ((c = getopt(argc, argv, "-:o:m:a:b:f:A:")) != -1) {
 		switch (c) {
+			case 'A':
+				append = 1;
+				/* fall through */
 			case 'f':
 			case 1:
-				p->offsets[i++] = STORE32_LE(cur_len);
+				if (!append)
+					p->offsets[i++] = STORE32_LE(cur_len);
 
 				if (!(in = fopen(optarg, "r"))) {
 					fprintf(stderr, "can not open \"%s\" for reading\n", optarg);
@@ -134,6 +138,7 @@ int main(int argc, char **argv)
 					n += ROUND - (n & (ROUND-1));
 				}
 				cur_len += n;
+				append = 0;
 
 				break;
 			case 'o':