diff --git a/src/actions/miscellaneous-actions.js b/src/actions/miscellaneous-actions.js
index c6f69a2661..34a98221f2 100644
--- a/src/actions/miscellaneous-actions.js
+++ b/src/actions/miscellaneous-actions.js
@@ -19,3 +19,8 @@ export const setCriticalErrorAction = (criticalError) => ({
     type: "SET_CRITICAL_ERROR",
     payload: { criticalError }
 });
+
+export const setCriticalErrorFrontendAction = (criticalErrorFrontend) => ({
+    type: "SET_CRITICAL_ERROR_FRONTEND",
+    payload: { criticalErrorFrontend }
+});
diff --git a/src/components/app.jsx b/src/components/app.jsx
index 2423b92b99..8f93a00a25 100644
--- a/src/components/app.jsx
+++ b/src/components/app.jsx
@@ -40,7 +40,7 @@ import { NetworkClient, initDataNetwork, startEventMonitorNetwork } from "../api
 import { UsersClient } from "../apis/users";
 import { EmptyStatePanel } from "cockpit-components-empty-state";
 
-import { setCriticalErrorAction } from "../actions/miscellaneous-actions.js";
+import { setCriticalErrorFrontendAction, setCriticalErrorAction } from "../actions/miscellaneous-actions.js";
 
 import { readConf } from "../helpers/conf.js";
 import { debug } from "../helpers/log.js";
@@ -58,11 +58,20 @@ export const Application = () => {
     const [state, dispatch] = useReducerWithThunk(reducer, initialState);
     const [storeInitilized, setStoreInitialized] = useState(false);
     const criticalError = state?.error?.criticalError;
-    const [jsError, setJsError] = useState();
+    const criticalErrorFrontend = state?.error?.criticalErrorFrontend;
     const [showStorage, setShowStorage] = useState(false);
 
     const onCritFail = useCallback((contextData) => {
-        return errorHandlerWithContext(contextData, exc => dispatch(setCriticalErrorAction(exc)));
+        return errorHandlerWithContext(
+            contextData,
+            exc => {
+                if (contextData.isFrontend) {
+                    dispatch(setCriticalErrorFrontendAction(exc));
+                } else {
+                    dispatch(setCriticalErrorAction(exc));
+                }
+            }
+        );
     }, [dispatch]);
 
     useEffect(() => {
@@ -81,11 +90,11 @@ export const Application = () => {
 
         // Listen on JS errors
         window.onerror = (message, url, line, col, errObj) => {
-            setJsError(errObj);
+            dispatch(setCriticalErrorFrontendAction(errObj));
         };
 
         cockpit.file("/run/anaconda/bus.address").watch(address => {
-            setCriticalErrorAction();
+            dispatch(setCriticalErrorAction());
             const clients = [
                 new LocalizationClient(address),
                 new StorageClient(address),
@@ -149,12 +158,12 @@ export const Application = () => {
                 <Page
                   data-debug={conf.Anaconda.debug}
                 >
-                    {(criticalError || jsError) &&
+                    {(criticalError || criticalErrorFrontend) &&
                     <CriticalError
-                      exception={{ backendException: criticalError, frontendException: jsError }}
+                      exception={{ backendException: criticalError, frontendException: criticalErrorFrontend }}
                       isConnected={state.network.connected}
                       reportLinkURL={bzReportURL} />}
-                    {!jsError &&
+                    {!criticalErrorFrontend &&
                     <>
                         {!showStorage &&
                         <PageGroup stickyOnBreakpoint={{ default: "top" }}>
@@ -170,7 +179,6 @@ export const Application = () => {
                                 <WithDialogs>
                                     <AnacondaWizard
                                       onCritFail={onCritFail}
-                                      onJsError={setJsError}
                                       title={title}
                                       storageData={state.storage}
                                       localizationData={state.localization}
diff --git a/src/components/storage/CockpitStorageIntegration.jsx b/src/components/storage/CockpitStorageIntegration.jsx
index d6d880e647..7911902d1c 100644
--- a/src/components/storage/CockpitStorageIntegration.jsx
+++ b/src/components/storage/CockpitStorageIntegration.jsx
@@ -100,7 +100,9 @@ export const CockpitStorageIntegration = ({
 
     useEffect(() => {
         const iframe = document.getElementById("cockpit-storage-frame");
-        iframe.contentWindow.addEventListener("error", err => onJsError({ ...err, jsContext: _("Storage plugin failed") }));
+        iframe.contentWindow.addEventListener("error", exception => {
+            onCritFail({ isFrontend: true, context: _("Storage plugin failed") })(exception.error);
+        });
 
         resetPartitioning().then(() => setNeedsResetPartitioning(false), onCritFail);
     }, [onCritFail, onJsError]);
diff --git a/src/reducer.js b/src/reducer.js
index dd9cacbfbe..bd367556e3 100644
--- a/src/reducer.js
+++ b/src/reducer.js
@@ -43,7 +43,8 @@ export const networkInitialState = {
 
 /* Initial state for the error store substate */
 export const errorInitialState = {
-    criticalError: null
+    criticalErrorBackend: null,
+    criticalErrorFrontend: null
 };
 
 /* Intial state for the runtime store substate */
@@ -124,6 +125,8 @@ export const networkReducer = (state = networkInitialState, action) => {
 const errorReducer = (state = errorInitialState, action) => {
     if (action.type === "SET_CRITICAL_ERROR") {
         return { ...state, criticalError: action.payload.criticalError };
+    } else if (action.type === "SET_CRITICAL_ERROR_FRONTEND") {
+        return { ...state, criticalErrorFrontend: action.payload.criticalErrorFrontend };
     } else {
         return state;
     }