diff --git a/package/hdf5/1.12.0/install.sh b/package/hdf5/1.12.0/install.sh
index 7c899721f65c5fabcc680b8826e6913ac2a4e6bf..a9737af9a9214565c62463feb0706db2be090e2c 100644
--- a/package/hdf5/1.12.0/install.sh
+++ b/package/hdf5/1.12.0/install.sh
@@ -2,7 +2,7 @@
 set -x
 set -e
 hdf5_big_version='1.12'
-hdf5_version='${hdf5_big_version}.0'
+hdf5_version=${hdf5_big_version}.0
 . ${DOWNLOAD_TOOL} -u https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-${hdf5_big_version}/hdf5-${hdf5_version}/src/hdf5-${hdf5_version}.tar.gz
 cd ${JARVIS_TMP}
 rm -rf hdf5-${hdf5_version}