diff --git a/native/compile-native.sh b/native/compile-native.sh
index 99ba41d2..ecfd206a 100755
--- a/native/compile-native.sh
+++ b/native/compile-native.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-gcc -shared -fPIC -O3 -Werror -I/usr/lib/jvm/default-java/include/ src/main/c/NativeCipherImpl.c -o src/main/resources/native-cipher.so -lcrypto
+gcc -shared -fPIC -O3 -Werror -I$JAVA_HOME/include/ src/main/c/NativeCipherImpl.c -o src/main/resources/native-cipher.so -lcrypto
diff --git a/native/src/main/c/NativeCipherImpl.c b/native/src/main/c/NativeCipherImpl.c
index 41884025..6e35aa68 100644
--- a/native/src/main/c/NativeCipherImpl.c
+++ b/native/src/main/c/NativeCipherImpl.c
@@ -11,7 +11,7 @@ jlong Java_net_md_15_bungee_NativeCipherImpl_init
     AES_KEY *aes_key = malloc(sizeof(AES_KEY));
 
     jboolean isKeyCopy;
-    BYTE *key_bytes = (*env)->GetByteArrayElements(env, key, &isKeyCopy);
+    BYTE *key_bytes = (BYTE*)(*env)->GetByteArrayElements(env, key, &isKeyCopy);
     int key_length = (*env)->GetArrayLength(env, key) * 8; // in bits
 
     AES_set_encrypt_key(key_bytes, key_length, aes_key);
@@ -37,7 +37,7 @@ void Java_net_md_15_bungee_NativeCipherImpl_cipher
     BYTE *output =  (BYTE*) out;
 
     jboolean isCopy;
-    BYTE *iv_bytes = (*env)->GetByteArrayElements(env, iv, &isCopy);
+    BYTE *iv_bytes = (BYTE*)(*env)->GetByteArrayElements(env, iv, &isCopy);
 
     AES_cfb8_encrypt(
       input,                                     // input buffer
diff --git a/native/src/main/resources/native-cipher.so b/native/src/main/resources/native-cipher.so
index 262be07b..03d70f6d 100755
Binary files a/native/src/main/resources/native-cipher.so and b/native/src/main/resources/native-cipher.so differ