diff --git a/src/panels/config/voice-assistants/debug/assist-render-pipeline-run.ts b/src/panels/config/voice-assistants/debug/assist-render-pipeline-run.ts
index 9a6d798390..506b1d18cf 100644
--- a/src/panels/config/voice-assistants/debug/assist-render-pipeline-run.ts
+++ b/src/panels/config/voice-assistants/debug/assist-render-pipeline-run.ts
@@ -670,10 +670,10 @@ export class AssistPipelineDebug extends LitElement {
       background-color: var(--light-primary-color);
       color: var(--text-light-primary-color, var(--primary-text-color));
       direction: var(--direction);
-      --primary-text-color: var(
-        --text-light-primary-color,
-        var(--primary-text-color)
-      );
+    }
+
+    .tool_result [slot="header"] {
+      color: var(--text-light-primary-color, var(--primary-text-color));
     }
 
     .message.user,