diff --git a/extensions/amd/cl_amd_planar_yuv.txt b/extensions/amd/cl_amd_planar_yuv.txt
index 2c866c8..1c3617b 100644
--- a/extensions/amd/cl_amd_planar_yuv.txt
+++ b/extensions/amd/cl_amd_planar_yuv.txt
@@ -21,7 +21,7 @@
     
 Number
     
-    OpenCL Extension #60??
+    OpenCL Extension #52
     
 Status
 
diff --git a/xml/cl.xml b/xml/cl.xml
index 7a7f623..4a794cf 100644
--- a/xml/cl.xml
+++ b/xml/cl.xml
@@ -1188,6 +1188,7 @@
     <extension number="49" name="cl_intel_planar_yuv"/>
     <extension number="50" name="cl_intel_device_side_avc_motion_estimation"/>
     <extension number="51" name="cl_intel_media_block_io"/>
+    <extension number="52" name="cl_amd_planar_yuv"/>
     <!-- NOTE: extension numbers are now assigned from
          ../extensions/registry.py - see ../README.adoc. It is no longer
          necessary to reserve extension names and numbers here. -->