diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py
index 2d94025..00ac7b7 100755
--- a/scripts/bpf_doc.py
+++ b/scripts/bpf_doc.py
@@ -547,6 +547,7 @@
             'struct inode',
             'struct socket',
             'struct file',
+            'struct bpf_timer',
     ]
     known_types = {
             '...',
@@ -594,6 +595,7 @@
             'struct inode',
             'struct socket',
             'struct file',
+            'struct bpf_timer',
     }
     mapped_types = {
             'u8': '__u8',