diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
index 7909fdbf2365e..9968dfafc90dc 100644
--- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
+++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
@@ -2591,6 +2591,16 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
         let variant_def = adt_def.variant_with_id(variant_did);
         let variant_idx = adt_def.variant_index_with_id(variant_did).as_u32();
 
+        for init in inits {
+            if !variant_def.fields.iter().any(|field_def| field_def.name == init.field.name) {
+                let err = tcx.dcx().struct_span_err(
+                    init.field.span,
+                    format!("struct expression has no field named `{}`", init.field),
+                );
+                return ty::Const::new_error(tcx, err.emit());
+            }
+        }
+
         let fields = variant_def
             .fields
             .iter()
diff --git a/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.rs b/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.rs
new file mode 100644
index 0000000000000..2858f6ba93bc9
--- /dev/null
+++ b/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.rs
@@ -0,0 +1,11 @@
+#![feature(min_generic_const_args, adt_const_params)]
+
+#[derive(Eq, PartialEq, std::marker::ConstParamTy)]
+struct Foo;
+
+fn foo<const N: Foo>() {}
+
+fn main() {
+    foo::<{ Foo { field: const { 1 } } }>();
+    //~^ ERROR struct expression has no field named `field`
+}
diff --git a/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.stderr b/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.stderr
new file mode 100644
index 0000000000000..21eea71ea53fa
--- /dev/null
+++ b/tests/ui/const-generics/mgca/adt_expr_unit_struct_extra_field.stderr
@@ -0,0 +1,8 @@
+error: struct expression has no field named `field`
+  --> $DIR/adt_expr_unit_struct_extra_field.rs:9:19
+   |
+LL |     foo::<{ Foo { field: const { 1 } } }>();
+   |                   ^^^^^
+
+error: aborting due to 1 previous error
+