diff --git a/SConstruct b/SConstruct
index f2b561d8d2..be1bf77641 100644
--- a/SConstruct
+++ b/SConstruct
@@ -143,8 +143,8 @@ vars.AddVariables(
   ('trilinos_libs', 'Trilinos libraries to link with', []),
   PathVariable('trilinos_src', 'Top-level source directory for trilinos.', Dir('trilinos_source15').abspath, PathVariable.PathIsDir),
   PathVariable('trilinos_build', 'Top-level build directory for trilinos.', Dir('#/build_trilinos').abspath, PathVariable.PathIsDirCreate),
-  #PathVariable('trilinos_install', 'Top-level install directory for trilinos when built', Dir('#/lib/esys').abspath, PathVariable.PathIsDirCreate),
-  ('trilinos_install', 'path to install trilinos libs, default is <prefix>/lib/esys', 'default'),
+  PathVariable('trilinos_install', 'Top-level install directory for trilinos when built', Dir('#/esys.trilinos').abspath, PathVariable.PathIsDirCreate),
+  #('trilinos_install', 'path to install trilinos libs, default is <prefix>/lib/esys', 'default'),
   ('trilinos_make_sh', 'path to a shell script to run trilinos make.', 'default'),
   BoolVariable('visit', 'Enable the VisIt simulation interface', False),
   ('visit_prefix', 'Prefix/Paths to VisIt installation', default_prefix),
diff --git a/tools/unittesting/debian_trilinos_py3 b/tools/unittesting/debian_trilinos_py3
index 55c33964b5..e01af8b796 100644
--- a/tools/unittesting/debian_trilinos_py3
+++ b/tools/unittesting/debian_trilinos_py3
@@ -19,7 +19,7 @@ RUN apt-get -y install python3-dev python3-numpy python3-pyproj python3-gdal pyt
 # build escript
 RUN git clone https://github.com/esys-escript/esys-escript.github.io --depth 1 .
 RUN scons options_file=scons/docker_testing.py launcher="mpirun %b" -j`nproc --ignore=1` build_full
-ENV LD_LIBRARY_PATH=/home/escript_trilinos/lib:/home/lib:/usr/local/lib:$LD_LIBRARY_PATH
+ENV LD_LIBRARY_PATH=/home/esys.trilinos/lib:/home/lib:/usr/local/lib:$LD_LIBRARY_PATH
 ENV PYTHONPATH=/home:$PYTHONPATH
 ENV PATH=/home/bin:$PATH
 # run testing