diff --git a/unittest/commands/test_kim_commands.cpp b/unittest/commands/test_kim_commands.cpp
index 33d96332e4..7de69d7fe1 100644
--- a/unittest/commands/test_kim_commands.cpp
+++ b/unittest/commands/test_kim_commands.cpp
@@ -100,9 +100,10 @@ TEST_F(KimCommandsTest, kim_init)
     TEST_FAILURE(".*ERROR: Incompatible units for KIM Simulator Model, required units = metal.*",
                  lmp->input->one("kim_init Sim_LAMMPS_LJcut_AkersonElliott_Alchemy_PbAu real"););
     TEST_FAILURE(".*ERROR: KIM Model does not support the requested unit system.*",
-                 lmp->input->one("kim_init ex_model_Ar_P_Morse real"););
+                 lmp->input->one("kim_init ex_model_Ar_P_MLJ_Fortran real"););
 
     if (!verbose) ::testing::internal::CaptureStdout();
+    lmp->input->one("clear");
     lmp->input->one("kim_init LennardJones_Ar real");
     if (!verbose) ::testing::internal::GetCapturedStdout();