diff --git a/build.sh b/build.sh
index 4b2d798c45aefa9cb086fd20bc4271fbcc8e5623..13c95680f51cbf5317e83b932e552885a2591f9b 100755
--- a/build.sh
+++ b/build.sh
@@ -52,7 +52,7 @@ usage()
   echo "    -M Enable MPI and NCCL for GPU training, gpu default on"
   echo "    -V Specify the minimum required cuda version, default CUDA 10.1"
   echo "    -I Compile predict, default off"
-  echo "    -K Compile with AKG, default off"
+  echo "    -K Compile with AKG, default on"
   echo "    -s Enable serving module, default off"
 }