diff --git a/bindings/java/unicorn/UnicornConst.java b/bindings/java/unicorn/UnicornConst.java
index 1b12da05..99e5af69 100644
--- a/bindings/java/unicorn/UnicornConst.java
+++ b/bindings/java/unicorn/UnicornConst.java
@@ -43,20 +43,22 @@ public interface UnicornConst {
    public static final int UC_ERR_VERSION = 5;
    public static final int UC_ERR_MEM_READ = 6;
    public static final int UC_ERR_MEM_WRITE = 7;
-   public static final int UC_ERR_CODE_INVALID = 8;
-   public static final int UC_ERR_HOOK = 9;
-   public static final int UC_ERR_INSN_INVALID = 10;
-   public static final int UC_ERR_MAP = 11;
-   public static final int UC_ERR_WRITE_PROT = 12;
-   public static final int UC_ERR_READ_PROT = 13;
-   public static final int UC_ERR_EXEC_PROT = 14;
-   public static final int UC_ERR_INVAL = 15;
+   public static final int UC_ERR_MEM_FETCH = 8;
+   public static final int UC_ERR_CODE_INVALID = 9;
+   public static final int UC_ERR_HOOK = 10;
+   public static final int UC_ERR_INSN_INVALID = 11;
+   public static final int UC_ERR_MAP = 12;
+   public static final int UC_ERR_WRITE_PROT = 13;
+   public static final int UC_ERR_READ_PROT = 14;
+   public static final int UC_ERR_EXEC_PROT = 15;
+   public static final int UC_ERR_INVAL = 16;
    public static final int UC_MEM_READ = 16;
    public static final int UC_MEM_WRITE = 17;
    public static final int UC_MEM_READ_WRITE = 18;
-   public static final int UC_MEM_WRITE_PROT = 19;
-   public static final int UC_MEM_READ_PROT = 20;
-   public static final int UC_MEM_EXEC_PROT = 21;
+   public static final int UC_MEM_EXEC = 19;
+   public static final int UC_MEM_WRITE_PROT = 20;
+   public static final int UC_MEM_READ_PROT = 21;
+   public static final int UC_MEM_EXEC_PROT = 22;
    public static final int UC_HOOK_INTR = 32;
    public static final int UC_HOOK_INSN = 33;
    public static final int UC_HOOK_CODE = 34;
diff --git a/bindings/java/unicorn_Unicorn.c b/bindings/java/unicorn_Unicorn.c
index f0fbbbff..6a454a5a 100644
--- a/bindings/java/unicorn_Unicorn.c
+++ b/bindings/java/unicorn_Unicorn.c
@@ -319,7 +319,7 @@ JNIEXPORT void JNICALL Java_unicorn_Unicorn_mem_1write
    uc_engine *eng = getEngine(env, self);
    jbyte *array = (*env)->GetByteArrayElements(env, bytes, NULL);
    jsize size = (*env)->GetArrayLength(env, bytes);
-   uc_err err = uc_mem_write(eng, (uint64_t)address, (uint8_t *)array, (size_t)size);
+   uc_err err = uc_mem_write(eng, (uint64_t)address, array, (size_t)size);
 
    if (err != UC_ERR_OK) {
       throwException(env, err);
@@ -339,7 +339,7 @@ JNIEXPORT jbyteArray JNICALL Java_unicorn_Unicorn_mem_1read
 
    jbyteArray bytes = (*env)->NewByteArray(env, (jsize)size);
    jbyte *array = (*env)->GetByteArrayElements(env, bytes, NULL);
-   uc_err err = uc_mem_read(eng, (uint64_t)address, (uint8_t *)array, (size_t)size);
+   uc_err err = uc_mem_read(eng, (uint64_t)address, array, (size_t)size);
    if (err != UC_ERR_OK) {
       throwException(env, err);
    }