diff --git a/target/linux/ixp4xx/image/npe-ucode/Makefile b/target/linux/ixp4xx/image/npe-ucode/Makefile
index b5181e81e6..6b1c82e53c 100644
--- a/target/linux/ixp4xx/image/npe-ucode/Makefile
+++ b/target/linux/ixp4xx/image/npe-ucode/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=npe-ucode
 PKG_VERSION:=2.4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE:=IPL_ixp400NpeLibrary-2_4.zip
@@ -35,6 +35,7 @@ endef
 
 define Build/InstallDev
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/NPE-B $(TARGET)/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/NPE-C $(TARGET)/
 endef
 
 $(eval $(call Build/DefaultTargets))
diff --git a/target/linux/ixp4xx/image/npe-ucode/src/IxNpeMicrocode.h b/target/linux/ixp4xx/image/npe-ucode/src/IxNpeMicrocode.h
index 1c3d1ff473..5cbb4b473c 100644
--- a/target/linux/ixp4xx/image/npe-ucode/src/IxNpeMicrocode.h
+++ b/target/linux/ixp4xx/image/npe-ucode/src/IxNpeMicrocode.h
@@ -55,7 +55,7 @@
 // #define IX_NPEDL_NPEIMAGE_NPEC_CRYPTO_ETH_LEARN_FILTER_SPAN_FIREWALL
 // #define IX_NPEDL_NPEIMAGE_NPEC_ETH_SPAN_FIREWALL_VLAN_QOS_HDR_CONV
 // #define IX_NPEDL_NPEIMAGE_NPEC_ETH_LEARN_FILTER_SPAN_FIREWALL_VLAN_QOS
-// #define IX_NPEDL_NPEIMAGE_NPEC_ETH_LEARN_FILTER_SPAN_FIREWALL
+#define IX_NPEDL_NPEIMAGE_NPEC_ETH_LEARN_FILTER_SPAN_FIREWALL
 
 
 #include <stdio.h>