diff --git a/python/lsst/ap/verify/testPipeline.py b/python/lsst/ap/verify/testPipeline.py
index 92b039f..978fdfc 100644
--- a/python/lsst/ap/verify/testPipeline.py
+++ b/python/lsst/ap/verify/testPipeline.py
@@ -478,7 +478,7 @@ class MockSpatiallySampledMetricsTask(PipelineTask):
     ConfigClass = SpatiallySampledMetricsConfig
     _DefaultName = "notSpatiallySampledMetricsTask"
 
-    def run(self, science, matchedTemplate, template, difference, diaSources):
+    def run(self, science, matchedTemplate, template, difference, diaSources, psfMatchingKernel):
         """Produce spatially sampled metrics
 
         Parameters
@@ -495,6 +495,8 @@ def run(self, science, matchedTemplate, template, difference, diaSources):
             Result of subtracting template from the science image.
         diaSources : `lsst.afw.table.SourceCatalog`
                 The catalog of detected sources.
+        psfMatchingKernel : `~lsst.afw.math.LinearCombinationKernel`
+            The PSF matching kernel of the subtraction to evaluate.
 
         Returns
         -------
diff --git a/tests/test_testPipeline.py b/tests/test_testPipeline.py
index 175a1b0..7bdd6a4 100644
--- a/tests/test_testPipeline.py
+++ b/tests/test_testPipeline.py
@@ -277,6 +277,7 @@ def testMockSpatiallySampledMetricsTask(self):
             afwImage.ExposureF(),
             afwImage.ExposureF(),
             afwTable.SourceCatalog(),
+            afwMath.LinearCombinationKernel(),
         )
         pipelineTests.assertValidOutput(task, result)
 
@@ -285,6 +286,7 @@ def testMockSpatiallySampledMetricsTask(self):
         self.butler.put(afwImage.ExposureF(), "deepDiff_templateExp", self.visitId)
         self.butler.put(afwImage.ExposureF(), "deepDiff_differenceExp", self.visitId)
         self.butler.put(afwTable.SourceCatalog(), "deepDiff_candidateDiaSrc", self.visitId)
+        self.butler.put(afwMath.LinearCombinationKernel(), "deepDiff_psfMatchKernel", self.visitId)
         quantum = pipelineTests.makeQuantum(
             task, self.butler, self.visitId,
             {"science": self.visitId,
@@ -292,6 +294,7 @@ def testMockSpatiallySampledMetricsTask(self):
              "template": self.visitId,
              "difference": self.visitId,
              "diaSources": self.visitId,
+             "psfMatchingKernel": self.visitId,
              "spatiallySampledMetrics": self.visitId,
              })
         pipelineTests.runTestQuantum(task, self.butler, quantum, mockRun=False)