diff --git a/regressionTests.cmake b/regressionTests.cmake
index 2aace4b6a..79231e21c 100644
--- a/regressionTests.cmake
+++ b/regressionTests.cmake
@@ -968,3 +968,45 @@ add_test_compareECLFiles(CASENAME spe1case2_krnum
                          ABS_TOL ${abs_tol}
                          REL_TOL ${rel_tol}
                          DIR spe1)
+
+add_test_compareECLFiles(CASENAME krnum_02x
+                         FILENAME KRNUM-02X
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
+
+add_test_compareECLFiles(CASENAME krnum_02y
+                         FILENAME KRNUM-02Y
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
+
+add_test_compareECLFiles(CASENAME krnum_02z
+                         FILENAME KRNUM-02Z
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
+
+add_test_compareECLFiles(CASENAME krnum_03x
+                         FILENAME KRNUM-03X
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
+
+add_test_compareECLFiles(CASENAME krnum_03y
+                         FILENAME KRNUM-03Y
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
+
+add_test_compareECLFiles(CASENAME krnum_03z
+                         FILENAME KRNUM-03Z
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR krnum)
diff --git a/tests/update_reference_data.sh b/tests/update_reference_data.sh
index ff7ebf1fb..2eec00b9b 100755
--- a/tests/update_reference_data.sh
+++ b/tests/update_reference_data.sh
@@ -195,6 +195,12 @@ 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"
+tests[krnum_02x]="flow krnum KRNUM-02X"
+tests[krnum_02y]="flow krnum KRNUM-02Y"
+tests[krnum_02z]="flow krnum KRNUM-02Z"
+tests[krnum_03x]="flow krnum KRNUM-03X"
+tests[krnum_03y]="flow krnum KRNUM-03Y"
+tests[krnum_03z]="flow krnum KRNUM-03Z"
 
 changed_tests=""