diff --git a/src/check_ast.rs b/src/check_ast.rs
index ae6b762781..b069a25415 100644
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
@@ -1392,6 +1392,15 @@ impl<'a> Checker<'a> {
         self.checks.push(check);
     }
 
+    pub fn add_check_if<F>(&mut self, code: &CheckCode, f: F)
+    where
+        F: FnOnce() -> Check,
+    {
+        if self.settings.enabled.contains(code) {
+            self.checks.push(f());
+        }
+    }
+
     fn push_parent(&mut self, parent: &'a Stmt) {
         self.parent_stack.push(self.parents.len());
         self.parents.push(parent);
diff --git a/src/docstrings/docstring_plugins.rs b/src/docstrings/docstring_plugins.rs
index 670cfb2e34..a33fca204b 100644
--- a/src/docstrings/docstring_plugins.rs
+++ b/src/docstrings/docstring_plugins.rs
@@ -236,13 +236,13 @@ pub fn blank_before_after_class(checker: &mut Checker, definition: &Definition)
                         .skip(1)
                         .take_while(|line| line.trim().is_empty())
                         .count();
-                    if blank_lines_before != 0
-                        && checker.settings.enabled.contains(&CheckCode::D211)
-                    {
-                        checker.add_check(Check::new(
-                            CheckKind::NoBlankLineBeforeClass(blank_lines_before),
-                            helpers::range_for(docstring),
-                        ));
+                    if blank_lines_before != 0 {
+                        checker.add_check_if(&CheckCode::D211, || {
+                            Check::new(
+                                CheckKind::NoBlankLineBeforeClass(blank_lines_before),
+                                helpers::range_for(docstring),
+                            )
+                        });
                     }
                     if blank_lines_before != 1
                         && checker.settings.enabled.contains(&CheckCode::D203)