diff --git a/packages/api-client/src/user/data/UserPropertiesSetData.ts b/packages/api-client/src/user/data/UserPropertiesSetData.ts
index fac33f6fae..a845f8b82b 100644
--- a/packages/api-client/src/user/data/UserPropertiesSetData.ts
+++ b/packages/api-client/src/user/data/UserPropertiesSetData.ts
@@ -37,7 +37,7 @@ export interface WebappProperties {
     call: {
       enable_vbr_encoding: boolean;
       enable_soundless_incoming_calls: boolean;
-      push_to_talk_key: string | null;
+      enable_press_space_to_unmute: boolean;
     };
     emoji: {
       replace_inline: boolean;
diff --git a/packages/webapp-events/src/index.ts b/packages/webapp-events/src/index.ts
index 8cd0b3054c..6915a69ce9 100644
--- a/packages/webapp-events/src/index.ts
+++ b/packages/webapp-events/src/index.ts
@@ -185,7 +185,7 @@ export const WebAppEvents = {
       CALL: {
         ENABLE_VBR_ENCODING: 'wire.webapp.properties.update.call.enable_vbr_encoding',
         ENABLE_SOUNDLESS_INCOMING_CALLS: 'wire.webapp.properties.update.call.enable_soundless_incoming_calls',
-        PUSH_TO_TALK_KEY: 'wire.webapp.properties.update.call.push_to_talk_key',
+        ENABLE_PRESS_SPACE_TO_UNMUTE: 'wire.webapp.properties.update.call.enable_press_space_to_unmute',
       },
       CONTACTS: 'wire.webapp.properties.update.contacts',
       EMOJI: {