diff --git a/vars/build.vars b/vars/build.vars
index 363634c..1d8cf7d 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -1109,7 +1109,7 @@ fi;
 : ${PKG_CLASSPATH_SHA256SUM:=f929297f8ae9b613a1a167e231566861893260651d913ad9b6c11933895fecc8};
 : ${PKG_CLASSPATH_VERSION:=0.99};
 : ${PKG_CLASSPATH_URL:=ftp://ftp.gnu.org/gnu/classpath/classpath-${PKG_CLASSPATH_VERSION}.tar.gz};
-: ${PKG_CLASSPATH_CONFIGURE_ARGS_EXTRA:="--disable-plugin --disable-gmp --disable-alsa --disable-gtk-peer --disable-gconf-peer"};
+: ${PKG_CLASSPATH_CONFIGURE_ARGS_EXTRA:="--disable-plugin --disable-alsa --disable-gtk-peer --disable-gconf-peer --with-gmp=${PREFIX_NATIVE} --with-gmp-include=${PREFIX_NATIVE}/include --with-gmp-lib=${PREFIX_NATIVE}/lib"};
 if ! which ecj gcj javac >/dev/null 2>&1; then
 	: ${PKG_CLASSPATH_DISABLED:=1};
 fi;