diff --git a/packages/addons/addon-depends/network-tools-depends/tcpdump/package.mk b/packages/addons/addon-depends/network-tools-depends/tcpdump/package.mk
index f8bb570155..aaae96a0bb 100644
--- a/packages/addons/addon-depends/network-tools-depends/tcpdump/package.mk
+++ b/packages/addons/addon-depends/network-tools-depends/tcpdump/package.mk
@@ -33,6 +33,8 @@ pre_configure_target() {
   # When cross-compiling, configure can't set linux version
   # forcing it
   sed -i -e 's/ac_cv_linux_vers=unknown/ac_cv_linux_vers=2/' ../configure
+  CFLAGS+=" -I$SYSROOT_PREFIX/usr/include/tirpc"
+  LDFLAGS+=" -ltirpc"
 }
 
 pre_build_target() {