diff --git a/image/build/nsImageModule.cpp b/image/build/nsImageModule.cpp
index b945423be2d7..b3c70f9bd016 100644
--- a/image/build/nsImageModule.cpp
+++ b/image/build/nsImageModule.cpp
@@ -25,7 +25,7 @@ struct ImageEnablementCookie {
   const nsLiteralCString mMimeType;
 };
 
-static void UpdateContentViewerRegistration(const char* aPref, void* aData) {
+static void UpdateDocumentViewerRegistration(const char* aPref, void* aData) {
   auto* cookie = static_cast<ImageEnablementCookie*>(aData);
 
   nsCOMPtr<nsICategoryManager> catMan =
@@ -60,9 +60,9 @@ nsresult mozilla::image::EnsureModuleInitialized() {
       mozilla::StaticPrefs::image_avif_enabled, "image/avif"_ns};
   static ImageEnablementCookie kJXLCookie = {
       mozilla::StaticPrefs::image_jxl_enabled, "image/jxl"_ns};
-  Preferences::RegisterCallbackAndCall(UpdateContentViewerRegistration,
+  Preferences::RegisterCallbackAndCall(UpdateDocumentViewerRegistration,
                                        "image.avif.enabled", &kAVIFCookie);
-  Preferences::RegisterCallbackAndCall(UpdateContentViewerRegistration,
+  Preferences::RegisterCallbackAndCall(UpdateDocumentViewerRegistration,
                                        "image.jxl.enabled", &kJXLCookie);
 
   mozilla::image::ShutdownTracker::Initialize();