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-rw-r--r--generic/tkImgPNG.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tkImgPNG.c b/generic/tkImgPNG.c
index 8a740d2..d6a706a 100644
--- a/generic/tkImgPNG.c
+++ b/generic/tkImgPNG.c
@@ -3345,7 +3345,7 @@ EncodePNG(
pngPtr->colorType = PNG_COLOR_RGBA;
pngPtr->bytesPerPixel = 4;
} else {
- pngPtr->colorType = PNG_COLOR_RGBA;
+ pngPtr->colorType = PNG_COLOR_RGB;
pngPtr->bytesPerPixel = 3;
}
} else {