diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3effaa5..837aef3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,7 +81,7 @@ set_package_properties(LibRaw PROPERTIES
     PURPOSE "Required for the QImage plugin for RAW images"
 )
 
-option(KIMAGEFORMATS_JXR "Enable plugin for JPEG XR format" ON)
+option(KIMAGEFORMATS_JXR "Enable plugin for JPEG XR format" OFF)
 if(KIMAGEFORMATS_JXR)
     find_package(LibJXR)
 endif()
diff --git a/README.md b/README.md
index fc555df..2c6b7b3 100644
--- a/README.md
+++ b/README.md
@@ -26,11 +26,11 @@ The following image formats have read-only support:
 
 The following image formats have read and write support:
 
-- AV1 Image File Format (AVIF)
+- AV1 Image File Format (avif)
 - Encapsulated PostScript (eps)
 - High Efficiency Image File Format (heif). Can be enabled with the KIMAGEFORMATS_HEIF build option.
 - JPEG XL (jxl)
-- JPEG XR (jxr)
+- JPEG XR (jxr). Can be enabled with the KIMAGEFORMATS_JXR build option.
 - OpenEXR (exr)
 - Personal Computer Exchange (pcx)
 - Quite OK Image format (qoi)