diff --git a/cmd/entrypoint/testdata/unrelated-mappings/mapping3.yaml b/cmd/entrypoint/testdata/unrelated-mappings/mapping3.yaml
new file mode 100644
index 0000000000..ec193a83b0
--- /dev/null
+++ b/cmd/entrypoint/testdata/unrelated-mappings/mapping3.yaml
@@ -0,0 +1,31 @@
+
+apiVersion: getambassador.io/v2
+kind: Mapping
+metadata:
+  labels:
+    app: workload1
+  name: workload1-mapping
+  namespace: infrastructure
+spec:
+  bypass_auth: true
+  host: test.example.com
+  prefix: /
+  rewrite: ""
+  service: workload1
+  timeout_ms: 3000
+  weight: 20
+---
+apiVersion: getambassador.io/v2
+kind: Mapping
+metadata:
+  labels:
+    app: workload3
+  name: workload3-mapping
+  namespace: infrastructure
+spec:
+  bypass_auth: true
+  host: test.example.com
+  prefix: /
+  rewrite: ""
+  service: workload3
+  timeout_ms: 3000
diff --git a/cmd/entrypoint/unrelated_mappings_test.go b/cmd/entrypoint/unrelated_mappings_test.go
index a0232abfc3..de9983c58a 100644
--- a/cmd/entrypoint/unrelated_mappings_test.go
+++ b/cmd/entrypoint/unrelated_mappings_test.go
@@ -188,4 +188,15 @@ func TestUnrelatedMappings(t *testing.T) {
 		"workload1-mapping": NewWeightCheck(-1, 100),
 		"workload2-mapping": NewWeightCheck(50, 50),
 	})
+
+	// Finally, do something complex: update the weight of workload1-mapping,
+	// add a workload3-mapping, and reintroduce the unrelated mapping.
+	assert.NoError(t, f.UpsertFile("testdata/unrelated-mappings/mapping3.yaml"))
+	assert.NoError(t, f.UpsertFile("testdata/unrelated-mappings/unrelated.yaml"))
+
+	checkIR(f, "complex 1", map[string]WeightCheck{
+		"workload1-mapping": NewWeightCheck(20, 20),
+		"workload2-mapping": NewWeightCheck(50, 70),
+		"workload3-mapping": NewWeightCheck(-1, 100),
+	})
 }