diff --git a/src/pages/compute/containers/Flavor/actions/StepCreate/ParamSetting.jsx b/src/pages/compute/containers/Flavor/actions/StepCreate/ParamSetting.jsx
index 59cd0746..e86011df 100644
--- a/src/pages/compute/containers/Flavor/actions/StepCreate/ParamSetting.jsx
+++ b/src/pages/compute/containers/Flavor/actions/StepCreate/ParamSetting.jsx
@@ -378,6 +378,7 @@ export class ParamSetting extends Base {
         type: 'input-int',
         min: 0,
         hidden: !hasEphemeral,
+        required: hasEphemeral,
       },
       {
         name: 'ephemeralTmp',
diff --git a/src/pages/compute/containers/Flavor/actions/StepCreate/index.jsx b/src/pages/compute/containers/Flavor/actions/StepCreate/index.jsx
index 14ca9948..3c45a43f 100644
--- a/src/pages/compute/containers/Flavor/actions/StepCreate/index.jsx
+++ b/src/pages/compute/containers/Flavor/actions/StepCreate/index.jsx
@@ -132,7 +132,7 @@ export class StepCreate extends StepAction {
     };
     const isPublic = accessType === 'public';
     body['os-flavor-access:is_public'] = isPublic;
-    if (categoryHasEphemeral) {
+    if (categoryHasEphemeral(category)) {
       body['OS-FLV-EXT-DATA:ephemeral'] = ephemeral;
     }
     const properties = this.getProperties(architecture, category, settings);