diff --git a/target/linux/image/brcm/Makefile b/target/linux/image/brcm/Makefile
index abba13101f..23072bde9b 100644
--- a/target/linux/image/brcm/Makefile
+++ b/target/linux/image/brcm/Makefile
@@ -30,12 +30,14 @@ $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx:
 ifeq ($(KERNEL),2.6)
 FSNAME:=$(patsubst jffs2-%,jffs2,$(FS))
 
+ifneq ($(FS),jffs2-4MB)
 $(BIN_DIR)/openwrt-wgt634u-$(KERNEL)-$(FSNAME).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
 	dd if=$(BUILD_DIR)/loader.elf of=$@ bs=131072 conv=sync
 	cat $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx >> $@
 
 install: $(BIN_DIR)/openwrt-wgt634u-$(KERNEL)-$(FSNAME).bin
 endif
+endif
 
 ifeq ($(KERNEL),2.4)
 FSNAME:=$(patsubst jffs2-%,jffs2,$(FS))