diff --git a/spectrocloud/cluster_common_hash.go b/spectrocloud/cluster_common_hash.go
index 179f7fc0..cb194257 100644
--- a/spectrocloud/cluster_common_hash.go
+++ b/spectrocloud/cluster_common_hash.go
@@ -96,7 +96,24 @@ func resourceMachinePoolAksHash(v interface{}) int {
 func resourceMachinePoolGcpHash(v interface{}) int {
 	m := v.(map[string]interface{})
 	buf := CommonHash(m)
+	if _, ok := m["disk_size_gb"]; ok {
+		buf.WriteString(fmt.Sprintf("%d-", m["disk_size_gb"].(int)))
+	}
 
+	buf.WriteString(fmt.Sprintf("%s-", m["instance_type"].(string)))
+	if _, ok := m["azs"]; ok {
+		if m["azs"] != nil {
+			azsSet := m["azs"].(*schema.Set)
+			azsList := azsSet.List()
+			azsListStr := make([]string, len(azsList))
+			for i, v := range azsList {
+				azsListStr[i] = v.(string)
+			}
+			sort.Strings(azsListStr)
+			azsStr := strings.Join(azsListStr, "-")
+			buf.WriteString(fmt.Sprintf("%s-", azsStr))
+		}
+	}
 	return int(hash(buf.String()))
 }
 
diff --git a/spectrocloud/cluster_common_hash_test.go b/spectrocloud/cluster_common_hash_test.go
index 6231c75f..c87e917e 100644
--- a/spectrocloud/cluster_common_hash_test.go
+++ b/spectrocloud/cluster_common_hash_test.go
@@ -140,13 +140,13 @@ func TestResourceMachinePoolGcpHash(t *testing.T) {
 				"max":           3,
 				"capacity_type": "ON_DEMAND",
 				"max_price":     "0.12",
-				"azs":           []string{"us-central1-a", "us-central1-b"},
+				"azs":           schema.NewSet(schema.HashString, []interface{}{"us-central1-a", "us-central1-b"}),
 				"az_subnets": map[string]interface{}{
 					"us-central1-a": "subnet-1",
 					"us-central1-b": "subnet-2",
 				},
 			},
-			expected: 1198721703,
+			expected: 2586515099,
 		},
 	}
 	for _, tc := range testCases {