diff --git a/src/MatrixClientPeg.js b/src/MatrixClientPeg.js
index 21f05b9759..704f1052fc 100644
--- a/src/MatrixClientPeg.js
+++ b/src/MatrixClientPeg.js
@@ -158,9 +158,7 @@ class _MatrixClientPeg {
                 // The js-sdk found a crypto DB too new for it to use
                 const CryptoStoreTooNewDialog =
                     sdk.getComponent("views.dialogs.CryptoStoreTooNewDialog");
-                Modal.createDialog(CryptoStoreTooNewDialog, {
-                    host: window.location.host,
-                });
+                Modal.createDialog(CryptoStoreTooNewDialog);
             }
             // this can happen for a number of reasons, the most likely being
             // that the olm library was missing. It's not fatal.
diff --git a/src/components/views/dialogs/CryptoStoreTooNewDialog.js b/src/components/views/dialogs/CryptoStoreTooNewDialog.js
index 081e84696c..4694619601 100644
--- a/src/components/views/dialogs/CryptoStoreTooNewDialog.js
+++ b/src/components/views/dialogs/CryptoStoreTooNewDialog.js
@@ -42,11 +42,9 @@ export default (props) => {
     };
 
     const description =
-        _t("You've previously used a newer version of Riot on %(host)s. " +
+        _t("You've previously used a newer version of Riot with this session. " +
             "To use this version again with end to end encryption, you will " +
-            "need to sign out and back in again. ",
-            {host: props.host},
-        );
+            "need to sign out and back in again.");
 
     const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
     const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 96ccf1589d..67ee31e71e 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1597,7 +1597,7 @@
     "Create Room": "Create Room",
     "Sign out": "Sign out",
     "To avoid losing your chat history, you must export your room keys before logging out. You will need to go back to the newer version of Riot to do this": "To avoid losing your chat history, you must export your room keys before logging out. You will need to go back to the newer version of Riot to do this",
-    "You've previously used a newer version of Riot on %(host)s. To use this version again with end to end encryption, you will need to sign out and back in again. ": "You've previously used a newer version of Riot on %(host)s. To use this version again with end to end encryption, you will need to sign out and back in again. ",
+    "You've previously used a newer version of Riot with this session. To use this version again with end to end encryption, you will need to sign out and back in again.": "You've previously used a newer version of Riot with this session. To use this version again with end to end encryption, you will need to sign out and back in again.",
     "Incompatible Database": "Incompatible Database",
     "Continue With Encryption Disabled": "Continue With Encryption Disabled",
     "Confirm your account deactivation by using Single Sign On to prove your identity.": "Confirm your account deactivation by using Single Sign On to prove your identity.",