diff --git a/deploy/program.ts b/deploy/program.ts
index b31d29b100..24dfcb7b11 100644
--- a/deploy/program.ts
+++ b/deploy/program.ts
@@ -263,7 +263,13 @@ export const releaseNotes =
 
 		if (pulumi_deploys.length) {
 			for (const [, data] of pulumi_deploys) {
-				const d = data as UpResult;
+				const d = data;
+				if (!d) {
+					paragraphs.push(
+						`A Pulumi deploy may have happened. It didn't give us any information, though.`
+					);
+					continue;
+				}
 				const items = [d.stdout, d.stderr].filter(isDefined);
 				paragraphs.push(
 					`A pulumi ${