diff --git a/pkg/controller/endpointslicemirroring/reconciler.go b/pkg/controller/endpointslicemirroring/reconciler.go
index c9cd428a988..f5a114a9a8d 100644
--- a/pkg/controller/endpointslicemirroring/reconciler.go
+++ b/pkg/controller/endpointslicemirroring/reconciler.go
@@ -95,7 +95,7 @@ func (r *reconciler) reconcile(endpoints *corev1.Endpoints, existingSlices []*di
 			if totalAddressesAdded >= int(r.maxEndpointsPerSubset) {
 				break
 			}
-			if ok := d.addAddress(address, multiKey, true); ok {
+			if ok := d.addAddress(address, multiKey, false); ok {
 				totalAddressesAdded++
 			} else {
 				numInvalidAddresses++
diff --git a/pkg/controller/endpointslicemirroring/reconciler_test.go b/pkg/controller/endpointslicemirroring/reconciler_test.go
index 9b8b2d856be..7f5ff72886f 100644
--- a/pkg/controller/endpointslicemirroring/reconciler_test.go
+++ b/pkg/controller/endpointslicemirroring/reconciler_test.go
@@ -228,6 +228,67 @@ func TestReconcile(t *testing.T) {
 		expectedNumSlices:      1,
 		expectedClientActions:  1,
 		expectedMetrics:        &expectedMetrics{desiredSlices: 1, actualSlices: 1, desiredEndpoints: 2, addedPerSync: 2, numCreated: 1},
+	}, {
+		testName: "Endpoints with 1 subset, 2 ports, and 2 not ready addresses",
+		subsets: []corev1.EndpointSubset{{
+			Ports: []corev1.EndpointPort{{
+				Name:     "http",
+				Port:     80,
+				Protocol: corev1.ProtocolTCP,
+			}, {
+				Name:     "https",
+				Port:     443,
+				Protocol: corev1.ProtocolUDP,
+			}},
+			NotReadyAddresses: []corev1.EndpointAddress{{
+				IP:       "10.0.0.1",
+				Hostname: "pod-1",
+				NodeName: utilpointer.StringPtr("node-1"),
+			}, {
+				IP:       "10.0.0.2",
+				Hostname: "pod-2",
+				NodeName: utilpointer.StringPtr("node-2"),
+			}},
+		}},
+		existingEndpointSlices: []*discovery.EndpointSlice{},
+		expectedNumSlices:      1,
+		expectedClientActions:  1,
+		expectedMetrics:        &expectedMetrics{desiredSlices: 1, actualSlices: 1, desiredEndpoints: 2, addedPerSync: 2, numCreated: 1},
+	}, {
+		testName: "Endpoints with 1 subset, 2 ports, and 2 ready and 2 not ready addresses",
+		subsets: []corev1.EndpointSubset{{
+			Ports: []corev1.EndpointPort{{
+				Name:     "http",
+				Port:     80,
+				Protocol: corev1.ProtocolTCP,
+			}, {
+				Name:     "https",
+				Port:     443,
+				Protocol: corev1.ProtocolUDP,
+			}},
+			Addresses: []corev1.EndpointAddress{{
+				IP:       "10.1.1.1",
+				Hostname: "pod-11",
+				NodeName: utilpointer.StringPtr("node-1"),
+			}, {
+				IP:       "10.1.1.2",
+				Hostname: "pod-12",
+				NodeName: utilpointer.StringPtr("node-2"),
+			}},
+			NotReadyAddresses: []corev1.EndpointAddress{{
+				IP:       "10.0.0.1",
+				Hostname: "pod-1",
+				NodeName: utilpointer.StringPtr("node-1"),
+			}, {
+				IP:       "10.0.0.2",
+				Hostname: "pod-2",
+				NodeName: utilpointer.StringPtr("node-2"),
+			}},
+		}},
+		existingEndpointSlices: []*discovery.EndpointSlice{},
+		expectedNumSlices:      1,
+		expectedClientActions:  1,
+		expectedMetrics:        &expectedMetrics{desiredSlices: 1, actualSlices: 1, desiredEndpoints: 4, addedPerSync: 4, numCreated: 1},
 	}, {
 		testName: "Endpoints with 2 subsets, multiple ports and addresses",
 		subsets: []corev1.EndpointSubset{{