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-rw-r--r--compton.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/compton.c b/compton.c
index b81117d46..021174804 100644
--- a/compton.c
+++ b/compton.c
@@ -1578,6 +1578,11 @@ add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
if (!new) return;
+ if (find_win(dpy, id)) {
+ free(new);
+ return;
+ }
+
if (prev) {
for (p = &list; *p; p = &(*p)->next) {
if ((*p)->id == prev && !(*p)->destroyed)