diff --git a/src/plugins/cppeditor/CppEditor.mimetypes.xml b/src/plugins/cppeditor/CppEditor.mimetypes.xml
index cd79d5f441e8fce957468e1b6ba909a1e3b5e6a3..0c58890e9b5d25d494bd5aef11f41a6b312ee70d 100644
--- a/src/plugins/cppeditor/CppEditor.mimetypes.xml
+++ b/src/plugins/cppeditor/CppEditor.mimetypes.xml
@@ -133,5 +133,6 @@
         <glob pattern="*.cxx"/>
         <glob pattern="*.c++"/>
         <glob pattern="*.C"/>
+        <glob pattern="*.inl"/>
     </mime-type>
 </mime-info>