diff --git a/tests/compile-fail/cast_fn_ptr_unsafe.rs b/tests/compile-fail/cast_fn_ptr_unsafe.rs
index 225cd1391bc3..568681da3c5d 100644
--- a/tests/compile-fail/cast_fn_ptr_unsafe.rs
+++ b/tests/compile-fail/cast_fn_ptr_unsafe.rs
@@ -2,7 +2,7 @@
 fn main() {
     fn f() {}
 
-    let g = f as fn() as unsafe fn(i32); //~ERROR: non-scalar cast: `fn()` as `unsafe fn(i32)`
+    let g = f as fn() as unsafe fn(i32); //~ERROR: non-primitive cast: `fn()` as `unsafe fn(i32)`
 
     unsafe {
         g(42);
diff --git a/tests/compile-fail/cast_fn_ptr_unsafe2.rs b/tests/compile-fail/cast_fn_ptr_unsafe2.rs
index c3a2fb9556f8..314365939fe8 100644
--- a/tests/compile-fail/cast_fn_ptr_unsafe2.rs
+++ b/tests/compile-fail/cast_fn_ptr_unsafe2.rs
@@ -2,7 +2,7 @@
 fn main() {
     fn f() {}
 
-    let g = f as fn() as fn(i32) as unsafe fn(i32); //~ERROR: non-scalar cast: `fn()` as `fn(i32)`
+    let g = f as fn() as fn(i32) as unsafe fn(i32); //~ERROR: non-primitive cast: `fn()` as `fn(i32)`
 
     unsafe {
         g(42);