diff --git a/compareECLFiles.cmake b/compareECLFiles.cmake
index 2c475a877..f92038291 100755
--- a/compareECLFiles.cmake
+++ b/compareECLFiles.cmake
@@ -399,6 +399,15 @@ add_test_compareECLFiles(CASENAME udq_wconprod
                          REL_TOL ${rel_tol}
                          DIR udq_actionx)
 
+if (OPM_ENABLE_EMBEDDED_PYTHON)
+  add_test_compareECLFiles(CASENAME udq_pyaction
+                           FILENAME PYACTION_WCONPROD
+                           SIMULATOR flow
+                           ABS_TOL ${abs_tol}
+                           REL_TOL ${rel_tol}
+                           DIR udq_actionx)
+endif()
+
 add_test_compareECLFiles(CASENAME multxyz_model2
 			  FILENAME 2_MULTXYZ_MODEL2
 			  SIMULATOR flow
diff --git a/tests/update_reference_data.sh b/tests/update_reference_data.sh
index d261a07f6..b26b70234 100755
--- a/tests/update_reference_data.sh
+++ b/tests/update_reference_data.sh
@@ -97,6 +97,7 @@ tests[polymer_injectivity]="flow polymer_injectivity 2D_POLYMER_INJECTIVITY"
 tests[nnc]="flow editnnc NNC_AND_EDITNNC nnc"
 tests[udq_wconprod]="flow udq_actionx UDQ_WCONPROD udq_wconprod"
 tests[udq_actionx]="flow udq_actionx UDQ_ACTIONX udq_actionx"
+tests[udq_pyaction]="flow udq_actionx PYACTION_WCONPROD udq_pyaction"
 tests[spe1_foam]="flow spe1_foam SPE1FOAM"
 tests[wsegsicd]="flow wsegsicd TEST_WSEGSICD"
 tests[bc_lab]="flow bc_lab BC_LAB"