diff --git a/src/main/c/netty_jni_util.h b/src/main/c/netty_jni_util.h
index a04e55d..cd29766 100644
--- a/src/main/c/netty_jni_util.h
+++ b/src/main/c/netty_jni_util.h
@@ -80,6 +80,14 @@
     NETTY_JNI_UTIL_END_MACRO
 
 
+#define NETTY_JNI_UTIL_NEW_LOCAL_FROM_WEAK(E, C, W, R)          \
+    NETTY_JNI_UTIL_BEGIN_MACRO                                  \
+        C = (*(E))->NewLocalRef((E), W);                        \
+        if ((*(E))->IsSameObject((E), C, NULL) || C == NULL) {  \
+            goto R;                                             \
+        }                                                       \
+    NETTY_JNI_UTIL_END_MACRO
+
 #define NETTY_JNI_UTIL_GET_METHOD(E, C, M, N, S, R) \
     NETTY_JNI_UTIL_BEGIN_MACRO                      \
         M = (*(E))->GetMethodID((E), C, N, S);      \