diff --git a/src/librustc/middle/mem_categorization.rs b/src/librustc/middle/mem_categorization.rs
index fa668678ece12..0c05740423f6a 100644
--- a/src/librustc/middle/mem_categorization.rs
+++ b/src/librustc/middle/mem_categorization.rs
@@ -1325,7 +1325,7 @@ impl<'a, 'gcx, 'tcx> MemCategorizationContext<'a, 'gcx, 'tcx> {
                 ref ty => span_bug!(pat.span, "tuple pattern unexpected type {:?}", ty),
             };
             for (i, subpat) in subpats.iter().enumerate_and_adjust(expected_len, ddpos) {
-                let subpat_ty = self.pat_ty_unadjusted(&subpat)?; // see (*2)
+                let subpat_ty = self.pat_ty_adjusted(&subpat)?; // see (*2)
                 let interior = InteriorField(FieldIndex(i, Name::intern(&i.to_string())));
                 let subcmt = Rc::new(self.cat_imm_interior(pat, cmt.clone(), subpat_ty, interior));
                 self.cat_pattern_(subcmt, &subpat, op)?;