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 3a504139f..7c9282416 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/SelfDependencyPatcher.java
@@ -114,6 +114,8 @@ public final class SelfDependencyPatcher {
                 throw new UncheckedIOException(e);
             }
 
+            if (dependencies == null) return null;
+
             try {
                 ClassLoader classLoader = SelfDependencyPatcher.class.getClassLoader();
                 Class.forName("netscape.javascript.JSObject", false, classLoader);