diff --git a/Content.Server/Corvax/TTS/TTSSystem.cs b/Content.Server/Corvax/TTS/TTSSystem.cs
index 2055a7307d4520..d538a9ea4f2b1a 100644
--- a/Content.Server/Corvax/TTS/TTSSystem.cs
+++ b/Content.Server/Corvax/TTS/TTSSystem.cs
@@ -113,9 +113,9 @@ private async void OnEntitySpoke(EntityUid uid, TTSComponent component, EntitySp
         if (!_prototypeManager.TryIndex<TTSVoicePrototype>(voiceId, out var protoVoice))
             return;
 
-        if (args.ObfuscatedMessage != null && !args.IsRadio)
+        if (args.ObfuscatedMessage != null)
         {
-            HandleWhisper(uid, args.Message, args.ObfuscatedMessage, protoVoice.Speaker);
+            HandleWhisper(uid, args.Message, protoVoice.Speaker, args.IsRadio);
             return;
         }
 
@@ -129,9 +129,11 @@ private async void HandleSay(EntityUid uid, string message, string speaker)
         RaiseNetworkEvent(new PlayTTSEvent(uid, soundData, false), Filter.Pvs(uid));
     }
 
-    private async void HandleWhisper(EntityUid uid, string message, string obfMessage, string speaker)
+    private async void HandleWhisper(EntityUid uid, string message, string speaker, bool isRadio)
     {
-        var soundData = await GenerateTTS(message, speaker, true);
+        // If it's a whisper into a radio, generate speech without whisper
+        // attributes to prevent an additional speech synthesis event
+        var soundData = await GenerateTTS(message, speaker, isWhisper: !isRadio);
         if (soundData is null)
             return;