1 files changed, 1 insertions, 1 deletions
diff --git a/engines/wintermute/base/gfx/base_surface.cpp b/engines/wintermute/base/gfx/base_surface.cpp
index 7457e34826..42ec51f39e 100644
--- a/engines/wintermute/base/gfx/base_surface.cpp
+++ b/engines/wintermute/base/gfx/base_surface.cpp
@@ -75,7 +75,7 @@ bool BaseSurface::displayHalfTrans(int x, int y, Rect32 rect) {
 }
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurface::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, TransformStruct transform) {
+bool BaseSurface::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) {
 	return displayTransform(x, y, rect, newRect, transform);
 }