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-rw-r--r--generic/tkImgPhoto.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index cadbb2d..9c5f91c 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -3173,7 +3173,7 @@ Tk_PhotoPutZoomedBlock(
* Zero-sized blocks never cause any changes. [Bug 3078902]
*/
- if (blockPtr->height == 0 || blockPtr->width == 0) {
+ if (blockPtr->height <= 0 || blockPtr->width <= 0) {
return TCL_OK;
}