diff --git a/packages/gatsby-telemetry/src/telemetry.ts b/packages/gatsby-telemetry/src/telemetry.ts
index 1d16ca31346d8..283338e04c375 100644
--- a/packages/gatsby-telemetry/src/telemetry.ts
+++ b/packages/gatsby-telemetry/src/telemetry.ts
@@ -108,6 +108,7 @@ export interface ITelemetryTagsPayload {
   valueString?: string
   valueStringArray?: Array<string>
   valueInteger?: number
+  valueBoolean?: boolean
 }
 
 export interface IDefaultTelemetryTagsPayload extends ITelemetryTagsPayload {