diff -ru openbox-3.4.7.2.orig/openbox/screen.c openbox-3.4.7.2/openbox/screen.c
--- openbox-3.4.7.2.orig/openbox/screen.c	2008-04-13 19:22:12.000000000 -0400
+++ openbox-3.4.7.2/openbox/screen.c	2009-03-29 00:04:10.000000000 -0400
@@ -1467,16 +1467,16 @@
 
 #define STRUT_LEFT_IN_SEARCH(s, search) \
     (RANGES_INTERSECT(search->y, search->height, \
-                      s->left_start, s->left_end - s->left_start + 1))
+                      s->left_start, s->left_end - s->left_start))
 #define STRUT_RIGHT_IN_SEARCH(s, search) \
     (RANGES_INTERSECT(search->y, search->height, \
-                      s->right_start, s->right_end - s->right_start + 1))
+                      s->right_start, s->right_end - s->right_start))
 #define STRUT_TOP_IN_SEARCH(s, search) \
     (RANGES_INTERSECT(search->x, search->width, \
-                      s->top_start, s->top_end - s->top_start + 1))
+                      s->top_start, s->top_end - s->top_start))
 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
     (RANGES_INTERSECT(search->x, search->width, \
-                      s->bottom_start, s->bottom_end - s->bottom_start + 1))
+                      s->bottom_start, s->bottom_end - s->bottom_start))
 
 #define STRUT_LEFT_IGNORE(s, us, search) \
     (head == SCREEN_AREA_ALL_MONITORS && us && \