diff --git a/gcc/rust/typecheck/rust-hir-type-check-struct.cc b/gcc/rust/typecheck/rust-hir-type-check-struct.cc
index e3a08e6f044d..4ef83482a536 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-struct.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-struct.cc
@@ -362,7 +362,7 @@ TypeCheckStructExpr::visit (HIR::StructExprFieldIdentifier &field)
   if (!ok)
     {
       rust_error_at (field.get_locus (), "unknown field");
-      return true;
+      return false;
     }
 
   auto it = adtFieldIndexToField.find (field_index);
diff --git a/gcc/testsuite/rust/compile/issue-3876.rs b/gcc/testsuite/rust/compile/issue-3876.rs
new file mode 100644
index 000000000000..17b1590590e0
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-3876.rs
@@ -0,0 +1,8 @@
+enum test {
+    A(i32),
+}
+
+fn fun(x: i32) {
+    test::A { x }
+    // { dg-error "unknown field" "" { target *-*-* } .-1 }
+}