diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
index 5e590bcb3..57c153fa9 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
@@ -440,7 +440,7 @@ public class DefaultLauncher extends Launcher {
     private Map<String, String> getEnvVars() {
         String versionName = Optional.ofNullable(options.getVersionName()).orElse(version.getId());
         Map<String, String> env = new HashMap<>();
-        env.put("FORMAT_MESSAGES_PATTERN_DISABLE_LOOKUPS", "true");
+        env.put("LOG4J_FORMAT_MSG_NO_LOOKUPS", "true");
         env.put("INST_NAME", versionName);
         env.put("INST_ID", versionName);
         env.put("INST_DIR", repository.getVersionRoot(version.getId()).getAbsolutePath());