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-rw-r--r--src/compositor/meta-window-actor.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 05acb531b..27ee39872 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -2117,7 +2117,7 @@ scan_visible_region (guchar *mask_data,
while (mask_data[y * stride + x2] == 255 && x2 < (rect.x + rect.width))
x2++;
- if (x2 > 0)
+ if (x2 > x)
{
meta_region_builder_add_rectangle (&builder, x, y, x2 - x, 1);
x = x2;