diff --git a/lib/exif/ExifImage.js b/lib/exif/ExifImage.js
index 247953b..ff9623c 100644
--- a/lib/exif/ExifImage.js
+++ b/lib/exif/ExifImage.js
@@ -97,7 +97,7 @@ function ExifImage (options, callback) {
    
   this.offsets={};
   if (ops.tiffOffsets) {
-    exifData.offsets=offsets;
+    this.exifData.offsets=this.offsets;
   }
   
   debug("New ExifImage options=",options);