diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/index.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/index.js
index ded091acc8..73444970c8 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/index.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/index.js
@@ -74,6 +74,13 @@ class AttributeForm extends React.Component {
       const { custom, validations } = formValidations[current];
       const value = modifiedData[current];
 
+      if (
+        current === 'name' &&
+        !new RegExp('^[A-Za-z][_0-9A-Za-z]*$').test(value)
+      ) {
+        acc[current] = [{ id: `${pluginId}.error.validation.regex.name` }];
+      }
+
       if (!value && validations.required === true && custom !== true) {
         acc[current] = [{ id: `${pluginId}.error.validation.required` }];
       }
@@ -82,13 +89,6 @@ class AttributeForm extends React.Component {
         acc[current] = [{ id: `${pluginId}.error.validation.required` }];
       }
 
-      if (
-        current === 'name' &&
-        !new RegExp('^[A-Za-z][_0-9A-Za-z]*$').test(value)
-      ) {
-        acc[current] = [{ id: `${pluginId}.error.validation.regex.name` }];
-      }
-
       if (current === 'enum' && !!value) {
         const split = value.split('\n');
 
diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/tests/index.test.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/tests/index.test.js
index 6e64444169..4f234689cd 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/tests/index.test.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/AttributeForm/tests/index.test.js
@@ -79,7 +79,7 @@ describe('<AttributeForm />', () => {
       wrapper
         .find(FormattedMessage)
         .at(0)
-        .prop('id'),
+        .prop('id')
     ).toContain('edit');
   });
 
@@ -101,7 +101,7 @@ describe('<AttributeForm />', () => {
 
   describe('instances', () => {
     describe('GetFormErrors', () => {
-      it('should return an empty object if there is not field that contain the created field\'s name', () => {
+      it("should return an empty object if there is not field that contain the created field's name", () => {
         props.modifiedData = { name: 'test' };
 
         wrapper = renderComponent(props);
@@ -111,7 +111,7 @@ describe('<AttributeForm />', () => {
         expect(getFormErrors()).toEqual({});
       });
 
-      it('should return an object with the input\'s name and an array of error if the name is empty', () => {
+      it("should return an object with the input's name and an array of error if the name is empty", () => {
         wrapper = renderComponent(props);
 
         const { getFormErrors } = wrapper.instance();
@@ -121,6 +121,18 @@ describe('<AttributeForm />', () => {
         });
       });
 
+      it('should return a unique error if the name begins with a special character', () => {
+        props.modifiedData = { name: '_test' };
+
+        wrapper = renderComponent(props);
+
+        const { getFormErrors } = wrapper.instance();
+
+        expect(getFormErrors()).toEqual({
+          name: [{ id: `${pluginId}.error.validation.regex.name` }],
+        });
+      });
+
       it('should return a unique error if the name of the field is already taken', () => {
         props.alreadyTakenAttributes = ['test'];
         props.modifiedData = { name: 'test' };
@@ -200,7 +212,7 @@ describe('<AttributeForm />', () => {
             'modalType=attributeForm&attributeType=string&settingType=advanced&actionType=create',
         });
         expect(context.emitEvent).toHaveBeenCalledWith(
-          'didSelectContentTypeFieldSettings',
+          'didSelectContentTypeFieldSettings'
         );
       });
     });
@@ -292,7 +304,7 @@ describe('<AttributeForm />', () => {
 
         expect(props.onSubmitEdit).toHaveBeenCalledWith(true);
         expect(context.emitEvent).toHaveBeenCalledWith(
-          'willAddMoreFieldToContentType',
+          'willAddMoreFieldToContentType'
         );
       });
 
diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/index.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/index.js
index 6c0642f11e..e634dec0b9 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/index.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/index.js
@@ -100,16 +100,16 @@ class ModelForm extends React.Component {
       };
     }
 
-    if (modifiedData.name === '') {
-      formErrors = { name: [{ id: `${pluginId}.error.validation.required` }] };
-    }
-
     if (!new RegExp('^[A-Za-z][_0-9A-Za-z]*$').test(modifiedData.name)) {
       formErrors = {
         name: [{ id: `${pluginId}.error.validation.regex.name` }],
       };
     }
 
+    if (modifiedData.name === '') {
+      formErrors = { name: [{ id: `${pluginId}.error.validation.required` }] };
+    }
+
     this.setState(prevState => ({
       formErrors,
       didCheckErrors: !prevState.didCheckErrors,
diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/tests/index.test.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/tests/index.test.js
index 890ad9cbb2..573361ea37 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/tests/index.test.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/ModelForm/tests/index.test.js
@@ -254,6 +254,8 @@ describe('<ModelForm />', () => {
 
     describe('HandleSubmit', () => {
       it('should not submit if the form is empty', () => {
+        props.modifiedData.name = '';
+
         wrapper = renderComponent(props);
 
         const { handleSubmit } = wrapper.instance();
@@ -266,6 +268,21 @@ describe('<ModelForm />', () => {
         expect(wrapper.prop('push')).not.toHaveBeenCalled();
       });
 
+      it('should not submit if the name of the CT begins with a special character', () => {
+        props.modifiedData.name = '_test';
+
+        wrapper = renderComponent(props);
+
+        const { handleSubmit } = wrapper.instance();
+
+        handleSubmit({ preventDefault: jest.fn() });
+
+        expect(wrapper.state('formErrors')).toEqual({
+          name: [{ id: `${pluginId}.error.validation.regex.name` }],
+        });
+        expect(wrapper.prop('push')).not.toHaveBeenCalled();
+      });
+
       it('should not submit if the name of the CT is already taken', () => {
         props.allTakenNames = ['test'];
         props.modifiedData.name = 'test';