diff --git a/src/test/mod.rs b/src/test/mod.rs
index 364aa225f680..37854ead28bf 100644
--- a/src/test/mod.rs
+++ b/src/test/mod.rs
@@ -838,11 +838,9 @@ fn handle_result(
 
         // Ignore LF and CRLF difference for Windows.
         if !string_eq_ignore_newline_repr(&fmt_text, &text) {
-            if let Some(bless) = std::env::var_os("BLESS") {
-                if bless != "0" {
-                    std::fs::write(file_name, fmt_text).unwrap();
-                    continue;
-                }
+            if std::env::var_os("RUSTC_BLESS").is_some_and(|v| v != "0") {
+                std::fs::write(file_name, fmt_text).unwrap();
+                continue;
             }
             let diff = make_diff(&text, &fmt_text, DIFF_CONTEXT_SIZE);
             assert!(