diff --git a/packages/chat/src/components/input.tsx b/packages/chat/src/components/input.tsx
index 6749d60..42b94f9 100644
--- a/packages/chat/src/components/input.tsx
+++ b/packages/chat/src/components/input.tsx
@@ -65,13 +65,13 @@ export default function InputComponent() {
       height,
       content: encryptedContext,
       receiver_id: currentUserId,
-      send_time: time,
+      timestamp: time,
     }).catch((e) => {
       log(0, "Chat", "red", "Failed to send message", e, {
         content: currentValue,
         encryptedContext,
         receiver_id: currentUserId,
-        send_time: time,
+        timestamp: time,
       });
       reference.setFailed(true);
       toast("error", "Failed to send message");
diff --git a/packages/shared/src/data.ts b/packages/shared/src/data.ts
index 5fd1dcd..d843271 100644
--- a/packages/shared/src/data.ts
+++ b/packages/shared/src/data.ts
@@ -117,7 +117,7 @@ export const socket = {
     request: z.object({}),
     response: z.object({
       sender_id: z.number(),
-      send_time: z.number(),
+      timestamp: z.number(),
       message,
     }),
   },
@@ -136,7 +136,7 @@ export const socket = {
       height: z.number(),
       content: z.base64(),
       receiver_id: z.number(),
-      send_time: z.number(),
+      timestamp: z.number(),
       files: z.array(fileFromMessage).optional(),
     }),
     response: z.object({}),
diff --git a/packages/ttp/src/codec.ts b/packages/ttp/src/codec.ts
index 04d0a30..bc364cf 100644
--- a/packages/ttp/src/codec.ts
+++ b/packages/ttp/src/codec.ts
@@ -134,7 +134,7 @@ const DATA_TYPES = [
 	"content",
 	"messages",
 	"notifications",
-	"send_time",
+	"timestamp",
 	"get_time",
 	"get_variant",
 	"shared_secret_own",
@@ -222,7 +222,7 @@ registerDataKinds("number", [
 	"start_date",
 	"end_date",
 	"omikron_id",
-	"send_time",
+	"timestamp",
 	"sub_level",
 	"sub_end",
 	"last_message_at",