diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e7ddd6..91ef031 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,7 @@ All notable changes to this project will be documented in this file.
 
 ### Fixes
 
+- Fix voice session immediately disconnecting with WebSocket 1007 by replacing `sendClientContent` with `sendRealtimeInput` to avoid mixing input modes
 - Fix workspace intent bar erroring on simple questions / read-only queries instead of showing response text
 - Fix bottom bar button/input height mismatch on desktop (Send and Mic buttons now match input height at sm+ breakpoint)
 - Fix missing voice and visual feedback after changeset execution via voice approval (PR `#29`)
diff --git a/lib/hooks/use-gemini-live.ts b/lib/hooks/use-gemini-live.ts
index 77103d2..c2f116d 100644
--- a/lib/hooks/use-gemini-live.ts
+++ b/lib/hooks/use-gemini-live.ts
@@ -600,11 +600,11 @@ export function useGeminiLive(
       };
 
       // Trigger the model's initial greeting from the system instruction.
-      // Placed after audio pipeline is wired so mic audio is already flowing
-      // when the model starts responding. Wrapped in try-catch so a failure
-      // doesn't tear down the session (model will respond to audio instead).
+      // Uses sendRealtimeInput (same mode as audio) to avoid mixing with
+      // sendClientContent, which causes 1007 "invalid argument" when audio
+      // is also flowing via sendRealtimeInput.
       try {
-        primarySession.sendClientContent({ turnComplete: true });
+        primarySession.sendRealtimeInput({ text: " " });
       } catch {
         // Non-critical — model will respond once it receives audio input
       }