diff --git a/clippy_lints/src/string_patterns.rs b/clippy_lints/src/string_patterns.rs
index 69fb97188a7f..64b5b8f9f27b 100644
--- a/clippy_lints/src/string_patterns.rs
+++ b/clippy_lints/src/string_patterns.rs
@@ -131,7 +131,7 @@ fn check_manual_pattern_char_comparison(cx: &LateContext<'_>, method_arg: &Expr<
 
         // We want to retrieve all the comparisons done.
         // They are ordered in a nested way and so we need to traverse the AST to collect them all.
-        if for_each_expr(body.value, |sub_expr| -> ControlFlow<(), Descend> {
+        if for_each_expr(cx, body.value, |sub_expr| -> ControlFlow<(), Descend> {
             match sub_expr.kind {
                 ExprKind::Binary(op, left, right) if op.node == BinOpKind::Eq => {
                     if path_to_local_id(left, binding)