diff --git a/lib/libcrypt/crypt.3 b/lib/libcrypt/crypt.3
--- a/lib/libcrypt/crypt.3
+++ b/lib/libcrypt/crypt.3
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd May 26, 2019
+.Dd February 11, 2025
 .Dt CRYPT 3
 .Os
 .Sh NAME
@@ -249,11 +249,15 @@
 .Pp
 The
 .Fn crypt_r
-function behaves identically to
-.Fn crypt ,
-except that the resulting string is stored in
+function stores the resulting string in
 .Fa data ,
-making it thread-safe.
+while
+.Fn crypt
+is a wrapper around
+.Fn crypt_r
+which passes a thread-local storage for
+.Fa data .
+Both functions are thread-safe.
 .Sh RETURN VALUES
 The
 .Fn crypt
diff --git a/lib/libcrypt/crypt.c b/lib/libcrypt/crypt.c
--- a/lib/libcrypt/crypt.c
+++ b/lib/libcrypt/crypt.c
@@ -132,7 +132,7 @@
 char *
 crypt(const char *passwd, const char *salt)
 {
-	static struct crypt_data data;
+	static __thread struct crypt_data data;
 
 	return (crypt_r(passwd, salt, &data));
 }