diff --git a/OAT.xml b/OAT.xml
index c3ae8cd6175892174515db6d3c04a06f790e2603..b7fec9fb469633e9af3995803541aadef9ed227b 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -22,7 +22,7 @@
         <licensefile>LICENSE.txt</licensefile>
         <policylist>
             <policy name="projectPolicy" desc="">
-                <policyitem type="compatibility" name="BSD-1-Clause" path=".*" desc="BSD-1-Clause like license"/>
+                <policyitem type="compatibility" name="GPL" path="LICENSE.txt" desc="this is the license file, declaring that FatFs is compatible with GNU GPL"/>
             </policy>
         </policylist>
         <filefilterlist>