diff --git a/docs/pipeline-api.md b/docs/pipeline-api.md
index ce318432829..f8877036756 100644
--- a/docs/pipeline-api.md
+++ b/docs/pipeline-api.md
@@ -2005,6 +2005,10 @@ associated Pipeline is an invalid graph (a.k.a wrong order, cycle, …)</p>
 </tr><tr><td><p>&#34;InvalidParamValue&#34;</p></td>
 <td><p>PipelineRunReasonInvalidParamValue indicates that the PipelineRun Param input value is not allowed.</p>
 </td>
+</tr><tr><td><p>&#34;InvalidPipelineResultReference&#34;</p></td>
+<td><p>PipelineRunReasonInvalidPipelineResultReference indicates a pipeline result was declared
+by the pipeline but not initialized in the pipelineTask</p>
+</td>
 </tr><tr><td><p>&#34;InvalidTaskResultReference&#34;</p></td>
 <td><p>ReasonInvalidTaskResultReference indicates a task result was declared
 but was not initialized by that task</p>
diff --git a/pkg/apis/pipeline/v1/pipelinerun_types.go b/pkg/apis/pipeline/v1/pipelinerun_types.go
index 34be57243ae..1cc3b2e6dbc 100644
--- a/pkg/apis/pipeline/v1/pipelinerun_types.go
+++ b/pkg/apis/pipeline/v1/pipelinerun_types.go
@@ -399,6 +399,9 @@ const (
 	// ReasonInvalidTaskResultReference indicates a task result was declared
 	// but was not initialized by that task
 	PipelineRunReasonInvalidTaskResultReference PipelineRunReason = "InvalidTaskResultReference"
+	// PipelineRunReasonInvalidPipelineResultReference indicates a pipeline result was declared
+	// by the pipeline but not initialized in the pipelineTask
+	PipelineRunReasonInvalidPipelineResultReference PipelineRunReason = "InvalidPipelineResultReference"
 	// ReasonRequiredWorkspaceMarkedOptional indicates an optional workspace
 	// has been passed to a Task that is expecting a non-optional workspace
 	PipelineRunReasonRequiredWorkspaceMarkedOptional PipelineRunReason = "RequiredWorkspaceMarkedOptional"
diff --git a/pkg/reconciler/pipelinerun/pipelinerun.go b/pkg/reconciler/pipelinerun/pipelinerun.go
index 2b2b85d174d..be490387bc5 100644
--- a/pkg/reconciler/pipelinerun/pipelinerun.go
+++ b/pkg/reconciler/pipelinerun/pipelinerun.go
@@ -678,8 +678,10 @@ func (c *Reconciler) reconcile(ctx context.Context, pr *v1.PipelineRun, getPipel
 		}
 
 		if err := resources.ValidatePipelineResults(pipelineSpec, pipelineRunFacts.State); err != nil {
-			logger.Errorf("Failed to resolve task result reference for %q with error %v", pr.Name, err)
-			pr.Status.MarkFailed(v1.PipelineRunReasonInvalidTaskResultReference.String(), err.Error())
+			logger.Errorf("Failed to resolve pipeline result reference for %q with error %w", pr.Name, err)
+			pr.Status.MarkFailed(v1.PipelineRunReasonInvalidPipelineResultReference.String(),
+				"Failed to resolve pipeline result reference for %q with error %w",
+				pr.Name, err)
 			return controller.NewPermanentError(err)
 		}
 
diff --git a/pkg/reconciler/pipelinerun/pipelinerun_test.go b/pkg/reconciler/pipelinerun/pipelinerun_test.go
index 85c78191d30..81b0311fca0 100644
--- a/pkg/reconciler/pipelinerun/pipelinerun_test.go
+++ b/pkg/reconciler/pipelinerun/pipelinerun_test.go
@@ -7854,7 +7854,7 @@ spec:
 			reason: v1.PipelineRunReasonInvalidTaskResultReference.String(),
 		}, {
 			name:   "pipelinerun-pipeline-result-invalid-result-variable",
-			reason: v1.PipelineRunReasonInvalidTaskResultReference.String(),
+			reason: v1.PipelineRunReasonInvalidPipelineResultReference.String(),
 		}, {
 			name:   "pipelinerun-with-optional-workspace-validation",
 			reason: v1.PipelineRunReasonRequiredWorkspaceMarkedOptional.String(),