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 2afcecbfd..52858c239 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
@@ -99,7 +99,7 @@ public class DefaultLauncher extends Launcher {
                 res.add("-Duser.home=" + options.getGameDir().getParent());
 
             // Force using G1GC with its settings
-            if (options.getJava().getParsedVersion() >= JavaVersion.JAVA_7) {
+            if (options.getJava().getParsedVersion() >= JavaVersion.JAVA_8) {
                 res.add("-XX:+UnlockExperimentalVMOptions");
                 res.add("-XX:+UseG1GC");
                 res.add("-XX:G1NewSizePercent=20");