diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java b/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java
index 6766a9daf..38012ea07 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java
@@ -73,9 +73,10 @@ public class SelfDependencyPatcher {
 
         // We can only self-patch JavaFX on x86 platform.
         // For ARM support, user's manual patch is required.
-        switch (System.getProperty("os.arch")) {
+        switch (System.getProperty("os.arch", "unknown").toLowerCase()) {
             case "amd64":
-            case "x86":
+            case "x64":
+            case "x86-64":
                 break;
             default:
                 throw new IncompatibleVersionException();