diff --git a/image/moz.build b/image/moz.build
index 8de05e98d216a..e0c6c311f20c9 100644
--- a/image/moz.build
+++ b/image/moz.build
@@ -54,6 +54,7 @@ EXPORTS += [
 ]
 
 EXPORTS.mozilla.image += [
+    'encoders/jpeg/nsJPEGEncoder.h',
     'ImageMemoryReporter.h',
     'RecyclingSourceSurface.h',
 ]