diff --git a/src/test/ui/associated-types/defaults-specialization.stderr b/src/test/ui/associated-types/defaults-specialization.stderr
index 9b10940cbc48..15146d1a9c06 100644
--- a/src/test/ui/associated-types/defaults-specialization.stderr
+++ b/src/test/ui/associated-types/defaults-specialization.stderr
@@ -69,7 +69,9 @@ error[E0308]: mismatched types
   --> $DIR/defaults-specialization.rs:88:32
    |
 LL |     let _: <B<()> as Tr>::Ty = 0u8;
-   |                                ^^^ expected associated type, found `u8`
+   |            -----------------   ^^^ expected associated type, found `u8`
+   |            |
+   |            expected due to this
    |
    = note: expected associated type `<B<()> as Tr>::Ty`
                          found type `u8`
@@ -80,7 +82,9 @@ error[E0308]: mismatched types
   --> $DIR/defaults-specialization.rs:89:32
    |
 LL |     let _: <B<()> as Tr>::Ty = true;
-   |                                ^^^^ expected associated type, found `bool`
+   |            -----------------   ^^^^ expected associated type, found `bool`
+   |            |
+   |            expected due to this
    |
    = note: expected associated type `<B<()> as Tr>::Ty`
                          found type `bool`
@@ -91,7 +95,9 @@ error[E0308]: mismatched types
   --> $DIR/defaults-specialization.rs:90:33
    |
 LL |     let _: <B2<()> as Tr>::Ty = 0u8;
-   |                                 ^^^ expected associated type, found `u8`
+   |            ------------------   ^^^ expected associated type, found `u8`
+   |            |
+   |            expected due to this
    |
    = note: expected associated type `<B2<()> as Tr>::Ty`
                          found type `u8`
@@ -102,7 +108,9 @@ error[E0308]: mismatched types
   --> $DIR/defaults-specialization.rs:91:33
    |
 LL |     let _: <B2<()> as Tr>::Ty = true;
-   |                                 ^^^^ expected associated type, found `bool`
+   |            ------------------   ^^^^ expected associated type, found `bool`
+   |            |
+   |            expected due to this
    |
    = note: expected associated type `<B2<()> as Tr>::Ty`
                          found type `bool`