diff --git a/core/jni/android_hardware_Camera.cpp b/core/jni/android_hardware_Camera.cpp
index 2874be4..85408d0 100644
--- a/core/jni/android_hardware_Camera.cpp
+++ b/core/jni/android_hardware_Camera.cpp
@@ -137,7 +137,7 @@
         uint8_t *heapBase = (uint8_t*)heap->base();
 
         if (heapBase != NULL) {
-            uint8_t *data = heapBase + offset;
+            const jbyte* data = reinterpret_cast<const jbyte*>(heapBase + offset);
             obj = env->NewByteArray(size);
             if (obj == NULL) {
                 LOGE("Couldn't allocate byte array for JPEG data");