diff --git a/serverless/aws/src/index.ts b/serverless/aws/src/index.ts
index b856e46..c1f3a08 100644
--- a/serverless/aws/src/index.ts
+++ b/serverless/aws/src/index.ts
@@ -170,6 +170,10 @@ export const handler = async (
 			[TileType.Webp, "webp"],
 		]) {
 			if (header.tileType === pair[0] && ext !== pair[1]) {
+				if (header.tileType == TileType.Mvt && ext === "pbf") {
+					// allow this for now. Eventually we will delete this in favor of .mvt
+					continue;
+				}
 				return apiResp(
 					400,
 					"Bad request: archive has type ." + pair[1],
diff --git a/serverless/cloudflare/src/index.ts b/serverless/cloudflare/src/index.ts
index 025c752..d66ecb9 100644
--- a/serverless/cloudflare/src/index.ts
+++ b/serverless/cloudflare/src/index.ts
@@ -187,6 +187,10 @@ export default {
 					[TileType.Webp, "webp"],
 				]) {
 					if (p_header.tileType === pair[0] && ext !== pair[1]) {
+						if (p_header.tileType == TileType.Mvt && ext === "pbf") {
+							// allow this for now. Eventually we will delete this in favor of .mvt
+							continue;
+						}
 						return cacheableResponse(
 							"Bad request: archive has type ." + pair[1],
 							cacheable_headers,