4 files changed, 4 insertions, 4 deletions
diff --git a/tools/test/h5diff/h5diff_plugin.sh.in b/tools/test/h5diff/h5diff_plugin.sh.in
index ee7bc8b..e3f0f01 100644
--- a/tools/test/h5diff/h5diff_plugin.sh.in
+++ b/tools/test/h5diff/h5diff_plugin.sh.in
@@ -82,7 +82,7 @@ if [ $? != 0 ]; then
 fi
 
 # setup plugin path
-ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}"
+ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}:${HDF5_PLUGIN_PATH}"
 
 #
 # copy test files and expected output files from source dirs to test dir
diff --git a/tools/test/h5dump/h5dump_plugin.sh.in b/tools/test/h5dump/h5dump_plugin.sh.in
index b2f9f31..d9b77ee 100644
--- a/tools/test/h5dump/h5dump_plugin.sh.in
+++ b/tools/test/h5dump/h5dump_plugin.sh.in
@@ -88,7 +88,7 @@ if [ $? != 0 ]; then
 fi
 
 # setup plugin path
-ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}"
+ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}:${HDF5_PLUGIN_PATH}"
 
 #
 # copy test files and expected output files from source dirs to test dir
diff --git a/tools/test/h5ls/h5ls_plugin.sh.in b/tools/test/h5ls/h5ls_plugin.sh.in
index 48f6e1e..02e0cf7 100644
--- a/tools/test/h5ls/h5ls_plugin.sh.in
+++ b/tools/test/h5ls/h5ls_plugin.sh.in
@@ -88,7 +88,7 @@ if [ $? != 0 ]; then
 fi
 
 # setup plugin path
-ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}"
+ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}:${HDF5_PLUGIN_PATH}"
 
 #
 # copy test files and expected output files from source dirs to test dir
diff --git a/tools/test/h5repack/h5repack_plugin.sh.in b/tools/test/h5repack/h5repack_plugin.sh.in
index 14bcbbf..bd7c3a1 100644
--- a/tools/test/h5repack/h5repack_plugin.sh.in
+++ b/tools/test/h5repack/h5repack_plugin.sh.in
@@ -98,7 +98,7 @@ if [ $? != 0 ]; then
 fi
 
 # setup plugin path
-ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}"
+ENVCMD="env HDF5_PLUGIN_PATH=../${PLUGIN_LIBDIR}:${HDF5_PLUGIN_PATH}"
 
 COPY_TESTFILES_TO_TESTDIR()
 {