diff --git a/compareECLFiles.cmake b/compareECLFiles.cmake
index f9aa45884..05184baf0 100644
--- a/compareECLFiles.cmake
+++ b/compareECLFiles.cmake
@@ -1219,6 +1219,13 @@ add_test_compareECLFiles(CASENAME wvfpexp_02
                          REL_TOL ${rel_tol}
                          DIR wvfpexp)
 
+add_test_compareECLFiles(CASENAME spe1case2_krnum
+                         FILENAME SPE1CASE2_KRNUM
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR spe1)
+
 # Restart tests
 opm_set_test_driver(${PROJECT_SOURCE_DIR}/tests/run-restart-regressionTest.sh "")
 # Cruder tolerances for the restarted tests
diff --git a/tests/update_reference_data.sh b/tests/update_reference_data.sh
index 3a233f0d4..ff7ebf1fb 100755
--- a/tests/update_reference_data.sh
+++ b/tests/update_reference_data.sh
@@ -194,6 +194,7 @@ tests[bo_diffusion]="flow diffusion BO_DIFFUSE_CASE1"
 tests[fpr_nonhc]="flow water-1ph WATER2F"
 tests[actionx_wpimult]="flow actionx ACTIONX_WPIMULT"
 tests[wvfpexp_02]="flow wvfpexp WVFPEXP-02"
+tests[spe1case2_krnum]="flow spe1 SPE1CASE2_KRNUM"
 
 changed_tests=""