diff --git a/crypto/evp/ctrl_params_translate.c b/crypto/evp/ctrl_params_translate.c
index c532e57f8f..4ea17380af 100644
--- a/crypto/evp/ctrl_params_translate.c
+++ b/crypto/evp/ctrl_params_translate.c
@@ -1353,8 +1353,8 @@ static int fix_rsa_pss_saltlen(enum state state,
         if (i == OSSL_NELEM(str_value_map)) {
             BIO_snprintf(ctx->name_buf, sizeof(ctx->name_buf), "%d", ctx->p1);
         } else {
-            strncpy(ctx->name_buf, str_value_map[i].ptr, sizeof(ctx->name_buf));
             /* This won't truncate but it will quiet static analysers */
+            strncpy(ctx->name_buf, str_value_map[i].ptr, sizeof(ctx->name_buf) - 1);
             ctx->name_buf[sizeof(ctx->name_buf) - 1] = '\0';
         }
         ctx->p2 = ctx->name_buf;