diff --git a/Makefile b/Makefile
index aaca836..4d84de0 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ build: $(IMAGEBUILDER_DIR_PATH) $(IMAGEBUILDER_CUSTOM_PACKAGES_DIR_PATH) $(IMAGE
 
 	# Cleanup old packages signature
 	rm -f $(IMAGEBUILDER_DIR_PATH)/Packages $(IMAGEBUILDER_DIR_PATH)/Packages.gz $(IMAGEBUILDER_DIR_PATH)/Packages.sig
-	
+
 	# Build firmware
 	$(MAKE) \
 		-C "$(IMAGEBUILDER_DIR_PATH)" \
@@ -56,6 +56,7 @@ build: $(IMAGEBUILDER_DIR_PATH) $(IMAGEBUILDER_CUSTOM_PACKAGES_DIR_PATH) $(IMAGE
 		CONFIG_IPV6=n \
 		FILES="$(IMAGEBUILDER_CUSTOM_FILES_DIR_PATH)" \
 		BIN_DIR="$(BIN_DIR)" \
+		ROOTFS_PARTSIZE="$(ROOTFS_PARTSIZE)" \
 		clean image
 
 $(IMAGEBUILDER_DIR_PATH): $(IMAGEBUILDER_ARCHIVE_PATH)
diff --git a/targets/generic.mk b/targets/generic.mk
index 60876a1..461f0d8 100644
--- a/targets/generic.mk
+++ b/targets/generic.mk
@@ -4,6 +4,7 @@ x86-generic:
 	$(MAKE) \
 		ADDITIONAL_INSTALL="install-x86-network-config" \
 		ADDITIONAL_OPENWRT_PACKAGES="dmidecode" \
+		ROOTFS_PARTSIZE=1024 \
 		OPENWRT_TARGET="x86/generic" \
 		EMISSARY_ARCH="386" \
 		OPENWRT_PROFILE="generic" \