diff --git a/unittest/c-library/test_library_config.cpp b/unittest/c-library/test_library_config.cpp
index 8a3d08cb33..e5eb044d31 100644
--- a/unittest/c-library/test_library_config.cpp
+++ b/unittest/c-library/test_library_config.cpp
@@ -200,7 +200,10 @@ TEST(LAMMPSConfig, exceptions)
 
 TEST(LAMMPSConfig, mpi_support)
 {
-    EXPECT_EQ(lammps_config_has_mpi_support(), LAMMPS_HAS_MPI);
+    if (LAMMPS_HAS_MPI)
+        EXPECT_GT(lammps_config_has_mpi_support(), 0);
+    else
+        EXPECT_EQ(lammps_config_has_mpi_support(), 0);
 };
 
 TEST(LAMMPSConfig, png_support)