diff --git a/files/chart/values.schema.json b/files/chart/values.schema.json
index 5c38404..21d2e4e 100644
--- a/files/chart/values.schema.json
+++ b/files/chart/values.schema.json
@@ -1489,15 +1489,7 @@
         },
         "Quantity": {
             "additionalProperties": false,
-            "properties": {
-                "Format": {
-                    "type": "string"
-                }
-            },
-            "required": [
-                "Format"
-            ],
-            "type": "object"
+            "type": "string"
         },
         "QuobyteVolumeSource": {
             "additionalProperties": false,
diff --git a/hack/schema-generation.go b/hack/schema-generation.go
index a0acf81..4b93b05 100644
--- a/hack/schema-generation.go
+++ b/hack/schema-generation.go
@@ -64,6 +64,12 @@ func updateProperties(data []byte) []byte {
 	rawExt["additionalProperties"] = true
 	m["$defs"].(map[string]interface{})["RawExtension"] = rawExt
 
+	quantity := m["$defs"].(map[string]interface{})["Quantity"].(map[string]interface{})
+	quantity["type"] = "string"
+	delete(quantity,"properties")
+	delete(quantity,"required")
+	m["$defs"].(map[string]interface{})["Quantity"] = quantity
+
 	serviceBindingSpec := m["$defs"].(map[string]interface{})["serviceBindingExt"].(map[string]interface{})
 	serviceBindingSpec["required"] = []string{"name", "serviceInstanceName", "secretName"}
 
diff --git a/test/files/expectedChart/values.schema.json b/test/files/expectedChart/values.schema.json
index 5c38404..21d2e4e 100644
--- a/test/files/expectedChart/values.schema.json
+++ b/test/files/expectedChart/values.schema.json
@@ -1489,15 +1489,7 @@
         },
         "Quantity": {
             "additionalProperties": false,
-            "properties": {
-                "Format": {
-                    "type": "string"
-                }
-            },
-            "required": [
-                "Format"
-            ],
-            "type": "object"
+            "type": "string"
         },
         "QuobyteVolumeSource": {
             "additionalProperties": false,