diff --git a/internal/mock/generator.go b/internal/mock/generator.go
index a8e21183a..808a67ca0 100644
--- a/internal/mock/generator.go
+++ b/internal/mock/generator.go
@@ -360,6 +360,7 @@ func buildFixtureState(config MockConfig) models.StateSnapshot {
 
 	ensureMockNodeHostLinks(&data)
 	ensureMockKubernetesNodeHostLinks(&data)
+	ensureMockFixtureHostIORates(&data)
 
 	// Generate physical disks for each node
 	for _, node := range data.Nodes {
@@ -2812,6 +2813,58 @@ func syncMockKubernetesNodeHosts(data *models.StateSnapshot) {
 	}
 }
 
+func ensureMockFixtureHostIORates(data *models.StateSnapshot) {
+	if data == nil {
+		return
+	}
+
+	for i := range data.Hosts {
+		host := &data.Hosts[i]
+		if strings.EqualFold(host.Status, "offline") {
+			host.NetInRate = 0
+			host.NetOutRate = 0
+			host.DiskReadRate = 0
+			host.DiskWriteRate = 0
+			continue
+		}
+		if host.NetInRate <= 0 {
+			host.NetInRate = generateMockHostRate("network-in")
+		}
+		if host.NetOutRate <= 0 {
+			host.NetOutRate = generateMockHostRate("network-out")
+		}
+		if host.DiskReadRate <= 0 {
+			host.DiskReadRate = generateMockHostRate("disk-read")
+		}
+		if host.DiskWriteRate <= 0 {
+			host.DiskWriteRate = generateMockHostRate("disk-write")
+		}
+	}
+
+	for i := range data.DockerHosts {
+		host := &data.DockerHosts[i]
+		if strings.EqualFold(host.Status, "offline") {
+			host.NetInRate = 0
+			host.NetOutRate = 0
+			host.DiskReadRate = 0
+			host.DiskWriteRate = 0
+			continue
+		}
+		if host.NetInRate <= 0 {
+			host.NetInRate = generateMockHostRate("network-in")
+		}
+		if host.NetOutRate <= 0 {
+			host.NetOutRate = generateMockHostRate("network-out")
+		}
+		if host.DiskReadRate <= 0 {
+			host.DiskReadRate = generateMockHostRate("disk-read")
+		}
+		if host.DiskWriteRate <= 0 {
+			host.DiskWriteRate = generateMockHostRate("disk-write")
+		}
+	}
+}
+
 func buildMockLinkedHostFromNode(node models.Node, hostID string, hostIndex int, now time.Time) models.Host {
 	if hostID == "" {
 		hostID = fmt.Sprintf("host-node-%s", node.ID)
diff --git a/internal/monitoring/monitor_extra_coverage_test.go b/internal/monitoring/monitor_extra_coverage_test.go
index 3ac79ec53..8af36be6f 100644
--- a/internal/monitoring/monitor_extra_coverage_test.go
+++ b/internal/monitoring/monitor_extra_coverage_test.go
@@ -21,6 +21,8 @@ import (
 )
 
 func TestMonitor_GetConnectionStatuses_MockMode_Extra(t *testing.T) {
+	setMockSamplerTestEnv(t, time.Hour, 5*time.Minute)
+
 	m := &Monitor{
 		state:          models.NewState(),
 		alertManager:   alerts.NewManager(),
@@ -140,6 +142,8 @@ func TestMonitor_Cleanup_Extra(t *testing.T) {
 }
 
 func TestMonitor_SetMockMode_Advanced_Extra(t *testing.T) {
+	setMockSamplerTestEnv(t, time.Hour, 5*time.Minute)
+
 	m := &Monitor{
 		config: &config.Config{
 			DiscoveryEnabled: true,