diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 7a70cdd..01bd42c 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -9827,9 +9827,12 @@
 void Sema::ActOnDocumentableDecls(ArrayRef<Decl *> Group) {
   // Don't parse the comment if Doxygen diagnostics are ignored.
   if (Group.empty() || !Group[0])
-   return;
+    return;
 
-  if (Diags.isIgnored(diag::warn_doc_param_not_found, Group[0]->getLocation()))
+  if (Diags.isIgnored(diag::warn_doc_param_not_found,
+                      Group[0]->getLocation()) &&
+      Diags.isIgnored(diag::warn_unknown_comment_command_name,
+                      Group[0]->getLocation()))
     return;
 
   if (Group.size() >= 2) {