diff --git a/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java b/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
index 08c5b75d2..77f2e2c99 100644
--- a/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
+++ b/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
@@ -34,8 +34,8 @@ public class LauncherPreferences
         if (PREF_CUSTOM_JAVA_ARGS.isEmpty()) {
             String DEFAULT_JAVA_ARGS =
                 "-Xms" + androidHeap + "m " +
-                // More than 900mb may make JVM not allocateable and crash
-                "-Xmx" + (doubleAndroidHeap > 900 ? 900 : doubleAndroidHeap) + "m " +
+                // More than 800mb may make JVM not allocateable and crash
+                "-Xmx" + (doubleAndroidHeap > 800 ? 800 : doubleAndroidHeap) + "m " +
                 "-XX:+UseG1GC " +
                 // "-Dsun.rmi.dgc.server.gcInterval=2147483646 " +
                 "-XX:+UnlockExperimentalVMOptions " +