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-rw-r--r--libdimension/png.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libdimension/png.c b/libdimension/png.c
index 62f0fcd..cc8b34f 100644
--- a/libdimension/png.c
+++ b/libdimension/png.c
@@ -181,8 +181,8 @@ dmnsn_png_write_canvas_thread(void *ptr)
if (i->optimizer_fn == dmnsn_rgba16_optimizer_fn) {
for (size_t y = 0; y < height; ++y) {
/* Invert the rows. PNG coordinates are fourth quadrant. */
- uint16_t *row = (uint16_t *)i->ptr + 4*(height - y - 1)*width;
- png_write_row(png_ptr, (png_bytep)row);
+ uint16_t *row_opt = (uint16_t *)i->ptr + 4*(height - y - 1)*width;
+ png_write_row(png_ptr, (png_bytep)row_opt);
dmnsn_future_increment(payload->future);
}