diff --git a/src/components/views/elements/RoomAliasField.tsx b/src/components/views/elements/RoomAliasField.tsx
index d9e081341b..62de4dd2bb 100644
--- a/src/components/views/elements/RoomAliasField.tsx
+++ b/src/components/views/elements/RoomAliasField.tsx
@@ -27,6 +27,7 @@ interface IProps {
     value: string;
     label?: string;
     placeholder?: string;
+    disabled?: boolean;
     onChange?(value: string): void;
 }
 
@@ -68,6 +69,7 @@ export default class RoomAliasField extends React.PureComponent<IProps, IState>
                 onChange={this.onChange}
                 value={this.props.value.substring(1, this.props.value.length - this.props.domain.length - 1)}
                 maxLength={maxlength}
+                disabled={this.props.disabled}
             />
         );
     }
diff --git a/src/components/views/spaces/SpaceCreateMenu.tsx b/src/components/views/spaces/SpaceCreateMenu.tsx
index 4bb61d7ccb..5f16684fb8 100644
--- a/src/components/views/spaces/SpaceCreateMenu.tsx
+++ b/src/components/views/spaces/SpaceCreateMenu.tsx
@@ -220,6 +220,7 @@ const SpaceCreateMenu = ({ onFinished }) => {
                         value={alias}
                         placeholder={name ? nameToAlias(name, domain) : _t("e.g. my-space")}
                         label={_t("Address")}
+                        disabled={busy}
                     />
                     : null
                 }