diff --git a/src/ImageRunModal.jsx b/src/ImageRunModal.jsx
index d69559166..41b17d99c 100644
--- a/src/ImageRunModal.jsx
+++ b/src/ImageRunModal.jsx
@@ -2,6 +2,7 @@ import React from 'react';
 import { Button } from "@patternfly/react-core/dist/esm/components/Button";
 import { Checkbox } from "@patternfly/react-core/dist/esm/components/Checkbox";
 import { Form, FormGroup } from "@patternfly/react-core/dist/esm/components/Form";
+import { FormHelper } from "cockpit-components-form-helper.jsx";
 import { FormSelect, FormSelectOption } from "@patternfly/react-core/dist/esm/components/FormSelect";
 import { Grid, GridItem } from "@patternfly/react-core/dist/esm/layouts/Grid";
 import { Modal } from "@patternfly/react-core/dist/esm/components/Modal";
@@ -261,7 +262,7 @@ export class ImageRunModal extends React.Component {
     };
 
     async onCreateClicked(runImage = false) {
-        if (!this.validateForm())
+        if (!await this.validateForm())
             return;
 
         const Dialogs = this.context;
@@ -593,8 +594,17 @@ export class ImageRunModal extends React.Component {
         return Object.keys(validationFailed).length == 0;
     };
 
-    validateForm = () => {
-        const { publish, volumes, env } = this.state;
+    async validateContainerName(containerName) {
+        try {
+            await client.containerExists(this.isSystem(), containerName);
+        } catch (error) {
+            return;
+        }
+        return _("Name already in use");
+    }
+
+    async validateForm() {
+        const { publish, volumes, env, containerName } = this.state;
         const validationFailed = { };
 
         const publishValidation = publish.map(a => {
@@ -628,10 +638,12 @@ export class ImageRunModal extends React.Component {
         if (Object.keys(envValidation).length > 0)
             validationFailed.env = envValidation;
 
+        validationFailed.containerName = await this.validateContainerName(containerName);
+
         this.setState({ validationFailed });
 
         return this.isFormValid(validationFailed);
-    };
+    }
 
     render() {
         const Dialogs = this.context;
@@ -691,8 +703,16 @@ export class ImageRunModal extends React.Component {
                     <TextInput id='run-image-dialog-name'
                            className="image-name"
                            placeholder={_("Container name")}
+                           validated={dialogValues.validationFailed.containerName ? "error" : "default"}
+                           onFocus={() => utils.validationClear(dialogValues.validationFailed, "containerName", (value) => this.onValueChanged("validationFailed", value))}
+                           onBlur={async () => {
+                               const delta = await this.validateContainerName(dialogValues.containerName);
+                               if (delta)
+                                   this.onValueChanged("validationFailed", { ...dialogValues.validationFailed, containerName: delta });
+                           }}
                            value={dialogValues.containerName}
                            onChange={(_, value) => this.onValueChanged('containerName', value)} />
+                    <FormHelper helperTextInvalid={dialogValues.validationFailed.containerName} />
                 </FormGroup>
                 <Tabs activeKey={activeTabKey} onSelect={this.handleTabClick}>
                     <Tab eventKey={0} title={<TabTitleText>{_("Details")}</TabTitleText>} className="pf-v5-c-form pf-m-horizontal">
diff --git a/src/client.js b/src/client.js
index 572056243..41df29d27 100644
--- a/src/client.js
+++ b/src/client.js
@@ -179,3 +179,5 @@ export const pruneUnusedImages = system => podmanJson("libpod/images/prune?all=t
 export const imageHistory = (system, id) => podmanJson(`libpod/images/${id}/history`, "GET", {}, system);
 
 export const imageExists = (system, id) => podmanCall("libpod/images/" + id + "/exists", "GET", {}, system);
+
+export const containerExists = (system, id) => podmanCall("libpod/containers/" + id + "/exists", "GET", {}, system);