diff --git a/extras/vcl-ldpreload/env.sh b/extras/vcl-ldpreload/env.sh
new file mode 100644
index 0000000..ebd3cc0
--- /dev/null
+++ b/extras/vcl-ldpreload/env.sh
@@ -0,0 +1,5 @@
+export VCL_BASE=$PWD/../../..
+export VPP_DIR=$VCL_BASE/vpp
+export LDP_DIR=$VCL_BASE/vpp/extras
+export WS_ROOT=$VCL_BASE/vpp
+export VCL_LDPRELOAD_LIB_DIR=$LDP_DIR/vcl-ldpreload/src/.libs