diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 638ac62..52fa0df 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -303,7 +303,7 @@
                 static_cast<size_t>(handle->numInts) * sizeof(int));
     }
 
-    buffer = reinterpret_cast<void*>(static_cast<int*>(buffer) + sizeNeeded);
+    buffer = static_cast<void*>(static_cast<uint8_t*>(buffer) + sizeNeeded);
     size -= sizeNeeded;
     if (handle) {
         fds += handle->numFds;
@@ -385,7 +385,7 @@
         }
     }
 
-    buffer = reinterpret_cast<void const*>(static_cast<int const*>(buffer) + sizeNeeded);
+    buffer = static_cast<void const*>(static_cast<uint8_t const*>(buffer) + sizeNeeded);
     size -= sizeNeeded;
     fds += numFds;
     count -= numFds;