diff --git a/ui2abc/libarkts/native/src/common.cc b/ui2abc/libarkts/native/src/common.cc
index 8f90679c074fdfb869356ca5904335174ae4bb3e..c484330b6df7a83155db9fdf30dd5160e491b314 100644
--- a/ui2abc/libarkts/native/src/common.cc
+++ b/ui2abc/libarkts/native/src/common.cc
@@ -56,8 +56,13 @@ StageArena::~StageArena()
 
 char* StageArena::strdup(const char* string)
 {
-    auto* arena = StageArena::instance();
     auto size = strlen(string) + 1;
+    return strdup(string, size);
+}
+
+char* strdup(const char* string, size_t size)
+{
+    auto* arena = StageArena::instance();
     char* memory = (char*)arena->alloc(size);
     interop_memcpy(memory, size, string, size);
     return memory;
diff --git a/ui2abc/libarkts/native/src/common.h b/ui2abc/libarkts/native/src/common.h
index 0ee7cd1d7646c9b8d7f30dd3f69d1c9f0899a951..c26438256d9ff8111c32202ade9d3c55d410a4f6 100644
--- a/ui2abc/libarkts/native/src/common.h
+++ b/ui2abc/libarkts/native/src/common.h
@@ -126,8 +126,9 @@ class StageArena {
     }
     void* alloc(size_t size);
     static char* strdup(const char* original);
+    static char* strdup(const char* original, size_t size);
     void add(void* pointer);
     void cleanup();
 };
 
-#endif // COMMON_H
\ No newline at end of file
+#endif // COMMON_H