diff --git a/src/utility/exif.ts b/src/utility/exif.ts
index e33bde1c..f9c0e2f8 100644
--- a/src/utility/exif.ts
+++ b/src/utility/exif.ts
@@ -67,7 +67,7 @@ export const formatAperture = (aperture?: number) =>
     : undefined;
 
 export const formatIso = (iso?: number) =>
-  iso ? `ISO ${iso.toLocaleString()}` : undefined;
+  iso ? `ISO ${iso}` : undefined;
 
 export const formatExposureTime = (exposureTime = 0) =>
   exposureTime > 0