diff --git a/docs/rh-log.txt b/docs/rh-log.txt
index 1d607e93b..c975e6040 100644
--- a/docs/rh-log.txt
+++ b/docs/rh-log.txt
@@ -1,4 +1,5 @@
 July 20, 2008 (Changes by Graf Zahl)
+- Fixed: When copying visplanes the sky texture was forgotten.
 - converted the boss brain to DECORATE.
 - added an abstract base class for special map spots that are maintained in 
   lists and rewrote the boss brain, the mace and DSparil to use it.
diff --git a/src/r_plane.cpp b/src/r_plane.cpp
index 89f5c70c3..ca932d8f3 100644
--- a/src/r_plane.cpp
+++ b/src/r_plane.cpp
@@ -701,6 +701,7 @@ visplane_t *R_CheckPlane (visplane_t *pl, int start, int stop)
 		new_pl->viewy = pl->viewy;
 		new_pl->viewz = pl->viewz;
 		new_pl->viewangle = pl->viewangle;
+		new_pl->sky = pl->sky;
 		pl = new_pl;
 		pl->minx = start;
 		pl->maxx = stop;