diff --git a/pkgs/racket-test-core/tests/racket/sandbox.rktl b/pkgs/racket-test-core/tests/racket/sandbox.rktl
index df75bc7948..30034874f0 100644
--- a/pkgs/racket-test-core/tests/racket/sandbox.rktl
+++ b/pkgs/racket-test-core/tests/racket/sandbox.rktl
@@ -463,7 +463,7 @@
         ;; timestamp .zo file (needed under Windows):
         (file-or-directory-modify-seconds ,test-zo (current-seconds))
         ;; loading 'test gets 'list module declaration via ".zo"
-        (load/use-compiled ,test-lib) =err> "cannot use linklet loaded with non-original code inspector"
+        (load/use-compiled ,test-lib) =err> "cannot use unsafe linklet loaded with non-original code inspector"
         (delete-file ,test-zo) => (void)
         (delete-file ,test-lib) =err> "`delete' access denied"
         --top--
@@ -480,7 +480,7 @@
         (cp ,list-lib ,test-lib)  (cp ,list-zo ,test-zo)
         (cp ,list-lib ,test2-lib) (cp ,list-zo ,test2-zo)
         ;; bytecode from test-lib is bad, even when we can read/write to it
-        (load/use-compiled ,test-zo) =err> "cannot use linklet loaded with non-original code inspector"
+        (load/use-compiled ,test-zo) =err> "cannot use unsafe linklet loaded with non-original code inspector"
         ;; bytecode from test2-lib is explicitly allowed
         (load/use-compiled ,test2-lib)
         (require 'list) => (void))
diff --git a/racket/src/bc/src/linklet.c b/racket/src/bc/src/linklet.c
index 95b85b0dd6..9316b4f04e 100644
--- a/racket/src/bc/src/linklet.c
+++ b/racket/src/bc/src/linklet.c
@@ -335,7 +335,7 @@ static void check_linklet_allowed(const char *who, Scheme_Linklet *linklet)
 {
   if (linklet->reject_eval) {
     scheme_raise_exn(MZEXN_FAIL,
-                     "%s: cannot use linklet loaded with non-original code inspector",
+                     "%s: cannot use unsafe linklet loaded with non-original code inspector",
                      who);
   }
 }
diff --git a/racket/src/cs/linklet.sls b/racket/src/cs/linklet.sls
index 926d888812..a45caa480d 100644
--- a/racket/src/cs/linklet.sls
+++ b/racket/src/cs/linklet.sls
@@ -671,7 +671,7 @@
       [(faslable-unsafe)
        (raise (|#%app|
                exn:fail
-               "eval-linklet: cannot use linklet loaded with non-original code inspector"
+               "eval-linklet: cannot use unsafe linklet loaded with non-original code inspector"
                (current-continuation-marks)))]
       [else
        linklet]))