diff --git a/asr/tools/slu/train-slu.sh b/asr/tools/slu/train-slu.sh
index a24f3c576aa78bdff70447a1dc7cba4ca6888b7c..d9f5e53a3a7d3f7b801aefa5c323b4f342f3d210 100755
--- a/asr/tools/slu/train-slu.sh
+++ b/asr/tools/slu/train-slu.sh
@@ -17,6 +17,7 @@ set -e -u -o pipefail
 
 cd `dirname $0`
 
+. ../path.sh
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:./src
 
 rm -rf "$output/automate"