diff --git a/cpukit/libmisc/fsmount/fsmount.h b/cpukit/libmisc/fsmount/fsmount.h
index 94c8508358..ede0ea2eb6 100644
--- a/cpukit/libmisc/fsmount/fsmount.h
+++ b/cpukit/libmisc/fsmount/fsmount.h
@@ -42,6 +42,8 @@ extern "C" {
 /**
  * @defgroup rtems_fstab File System Mount Support
  *
+ * @ingroup FileSystemTypesAndMount
+ *
  * @{
  */