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-rw-r--r--engines/sludge/zbuffer.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/sludge/zbuffer.cpp b/engines/sludge/zbuffer.cpp
index 97c44e8a99..6ee8f7a31c 100644
--- a/engines/sludge/zbuffer.cpp
+++ b/engines/sludge/zbuffer.cpp
@@ -37,7 +37,7 @@ namespace Sludge {
int zBufferToSet = -1;
zBufferData zBuffer;
-extern int sceneWidth, sceneHeight;
+extern uint sceneWidth, sceneHeight;
extern Graphics::Surface backdropSurface;
extern Graphics::Surface renderSurface;