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-rw-r--r--openbox/geom.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/openbox/geom.h b/openbox/geom.h
index 7c5ee32e..6a1725e8 100644
--- a/openbox/geom.h
+++ b/openbox/geom.h
@@ -160,6 +160,6 @@ typedef struct _StrutPartial {
(s1).bottom_end == (s2).bottom_end)
#define RANGES_INTERSECT(r1x, r1w, r2x, r2w) \
- (r1x < r2x + r2w && r1x + r1w > r2x)
+ (r1w && r2w && r1x < r2x + r2w && r1x + r1w > r2x)
#endif