diff --git a/packages/PyTrilinos2/CMakeLists.txt b/packages/PyTrilinos2/CMakeLists.txt
index cbeff9a64104..4d031cbc0ed6 100644
--- a/packages/PyTrilinos2/CMakeLists.txt
+++ b/packages/PyTrilinos2/CMakeLists.txt
@@ -28,6 +28,8 @@ TRIBITS_ADD_OPTION_AND_DEFINE(PyTrilinos2_BINDER_VERBOSE
   "Increase the verbosity of binder."
   OFF )
 
+set(PyTrilinos2_BINDER_FLAGS "-fopenmp;-I$ENV{OPENMPI_ROOT}/include")
+
 SET(PyTrilinos2_BINDER_NUM_FILES "150" CACHE STRING "Maxinum number of generated files by binder.")
 
 find_package(Python3 COMPONENTS Interpreter Development)