diff --git a/povray_wasm/build_ubuntu.sh b/povray_wasm/build_ubuntu.sh
index 720c4d7..c8361c6 100644
--- a/povray_wasm/build_ubuntu.sh
+++ b/povray_wasm/build_ubuntu.sh
@@ -29,14 +29,15 @@ CONFIG_ARGS=(
 )
 
 ARGS=(
-  #LIBS="-lboost_system -lboost_thread -lboost_date_time"
-  COMPILED_BY="$NAME <$EMAIL>"
-  CC=emcc
-  CXX=em++
-  CFLAGS="$CFLAGS"
-  CXXFLAGS="$CFLAGS"
-  LDFLAGS="$LDFLAGS"
-  --host=wasm32
+	--with-boost-libdir=${BOOST_ROOT}
+	#LIBS="-lboost_system -lboost_thread -lboost_date_time"
+	COMPILED_BY="$NAME <$EMAIL>"
+	CC=emcc
+	CXX=em++
+	CFLAGS="$CFLAGS"
+	CXXFLAGS="$CFLAGS"
+	LDFLAGS="$LDFLAGS"
+	--host=wasm32
 )
 
 cd unix/