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diff --git a/dhall/tests/type-inference/failure/unit/LetWithNonterminatingAnnotation.txt b/dhall/tests/type-inference/failure/unit/LetWithNonterminatingAnnotation.txt
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+Type error: error: expected function, found `Natural`
+ --> <current file>:6:25
+ |
+ 1 | -- When you check if an inferred type is equivalent to an annotation,
+ 2 | -- you must alpha-beta-normalize both sides first. But it is not safe
+ 3 | -- to beta-normalise an expression which hasn't first been
+ 4 | -- typechecked.
+...
+10 | let a
+11 | : (λ(x : Natural) → x x) (λ(x : Natural) → x x)
+ | ^ function application requires a function
+ |