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-rw-r--r--vcl/source/gdi/pngwrite.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/vcl/source/gdi/pngwrite.cxx b/vcl/source/gdi/pngwrite.cxx
index ac9bdd2da454..0b61f75eeb5e 100644
--- a/vcl/source/gdi/pngwrite.cxx
+++ b/vcl/source/gdi/pngwrite.cxx
@@ -474,7 +474,7 @@ void PNGWriterImpl::ImplWriteIDAT()
{
nBytes = nBytesToWrite <= mnMaxChunkSize ? nBytesToWrite : mnMaxChunkSize;
ImplOpenChunk(PNGCHUNK_IDAT);
- ImplWriteChunk((unsigned char*)aOStm.GetData() + (nIDATSize - nBytesToWrite), nBytes);
+ ImplWriteChunk(const_cast<unsigned char *>(static_cast<unsigned char const *>(aOStm.GetData())) + (nIDATSize - nBytesToWrite), nBytes);
nBytesToWrite -= nBytes;
}
}