diff --git a/js/test_fixture_1.pmtiles b/js/test_fixture_1.pmtiles
index 93cdb53..2f2c750 100644
Binary files a/js/test_fixture_1.pmtiles and b/js/test_fixture_1.pmtiles differ
diff --git a/js/test_fixture_2.pmtiles b/js/test_fixture_2.pmtiles
index 1f30eee..fec7eb0 100644
Binary files a/js/test_fixture_2.pmtiles and b/js/test_fixture_2.pmtiles differ
diff --git a/js/v3.ts b/js/v3.ts
index 1969a53..e10b708 100644
--- a/js/v3.ts
+++ b/js/v3.ts
@@ -315,13 +315,13 @@ export function bytesToHeader(bytes: ArrayBuffer, etag?: string): Header {
 		tileType: v.getUint8(94),
 		minZoom: v.getUint8(95),
 		maxZoom: v.getUint8(96),
-		minLon: v.getFloat32(97, true),
-		minLat: v.getFloat32(101, true),
-		maxLon: v.getFloat32(105, true),
-		maxLat: v.getFloat32(109, true),
+		minLon: v.getInt32(97, true) / 10000000,
+		minLat: v.getInt32(101, true) / 10000000,
+		maxLon: v.getInt32(105, true) / 10000000,
+		maxLat: v.getInt32(109, true) / 10000000,
 		centerZoom: v.getUint8(113),
-		centerLon: v.getFloat32(114, true),
-		centerLat: v.getFloat32(118, true),
+		centerLon: v.getInt32(114, true) / 10000000,
+		centerLat: v.getInt32(118, true) / 10000000,
 		etag: etag,
 	};
 }