diff --git a/tap_zendesk/schemas/sla_policies.json b/tap_zendesk/schemas/sla_policies.json
index 5e19f1a..8fea1fd 100644
--- a/tap_zendesk/schemas/sla_policies.json
+++ b/tap_zendesk/schemas/sla_policies.json
@@ -99,7 +99,12 @@
           "priority": { "type": ["null", "string"] },
           "target": { "type": ["null", "integer"] },
           "business_hours": { "type": ["null", "boolean"] },
-          "metric": { }
+          "metric": {
+            "type": [
+              "null",
+              "string"
+            ]
+          }
         },
         "type": [
           "null",
diff --git a/tap_zendesk/schemas/tickets.json b/tap_zendesk/schemas/tickets.json
index 249bfa8..af03788 100644
--- a/tap_zendesk/schemas/tickets.json
+++ b/tap_zendesk/schemas/tickets.json
@@ -149,7 +149,19 @@
               "integer"
             ]
           },
-          "value": { }
+          "value": {
+            "type":  [
+              "null",
+              "string",
+              "array"
+            ],
+            "items": {
+              "type": [
+                "null",
+                "string"
+              ]
+            }
+          }
         },
         "type": [
           "null",