diff --git a/wadsrc/static/filter/shadowwarrior/engine/widescreen.def b/wadsrc/static/filter/shadowwarrior/engine/widescreen.def
index e3d8920a4..c3f773af8 100644
--- a/wadsrc/static/filter/shadowwarrior/engine/widescreen.def
+++ b/wadsrc/static/filter/shadowwarrior/engine/widescreen.def
@@ -44,5 +44,9 @@ tilefromtexture 4090 { file "tiles/4090.png" xoffset 36 yoffset 107 ifcrc 187093
 tilefromtexture 4091 { file "tiles/4091.png" xoffset -66 yoffset 117 ifcrc 1700580893 }
 tilefromtexture 4092 { file "tiles/4092.png" xoffset 69 yoffset 126 ifcrc 1756935404 }
 
+// Shareware has different CRCs for these.
+tilefromtexture 4090 { file "tiles/4090.png" xoffset 36 yoffset 107 ifcrc -1662851093 }
+tilefromtexture 4091 { file "tiles/4091.png" xoffset -66 yoffset 117 ifcrc -1708933323 }
+
 // Summary screen background (Phredreeke)
 tilefromtexture 5120 { file "tiles/5120.png" ifcrc 285532568 }