diff --git a/nczarr_test/run_filter.sh b/nczarr_test/run_filter.sh
index 75c5a4c7b..0bf6437d1 100755
--- a/nczarr_test/run_filter.sh
+++ b/nczarr_test/run_filter.sh
@@ -50,7 +50,9 @@ sed -e 's/[ 	]*\([^ 	].*\)/\1/' <$1 >$2
 
 # Find misc and capture
 findplugin h5misc
-MISCDIR="${HDF5_PLUGIN_DIR}/${HDF5_PLUGIN_LIB}"
+MISCLIB="${HDF5_PLUGIN_LIB}"
+MISCDIR="${HDF5_PLUGIN_DIR}"
+MISCPATH="${MISCDIR}/${MISCLIB}"
 
 # Find bzip2 and capture
 findplugin h5bzip2