diff --git a/Scripts/SoftMask.cs b/Scripts/SoftMask.cs
index 3cfd2fd..f67c37c 100644
--- a/Scripts/SoftMask.cs
+++ b/Scripts/SoftMask.cs
@@ -464,9 +464,10 @@ namespace Coffee.UIExtensions
 
 			// Set view and projection matrices.
 			var c = graphic.canvas.rootCanvas;
-			if (c && c.renderMode != RenderMode.ScreenSpaceOverlay && c.worldCamera)
+			var cam = c.worldCamera ?? Camera.main;
+			if (c && c.renderMode != RenderMode.ScreenSpaceOverlay && cam)
 			{
-				_cb.SetViewProjectionMatrices(c.worldCamera.worldToCameraMatrix, c.worldCamera.projectionMatrix);
+				_cb.SetViewProjectionMatrices(cam.worldToCameraMatrix, cam.projectionMatrix);
 			}
 			else
 			{
diff --git a/Scripts/SoftMaskable.cs b/Scripts/SoftMaskable.cs
index 645b187..d709b1e 100644
--- a/Scripts/SoftMaskable.cs
+++ b/Scripts/SoftMaskable.cs
@@ -206,9 +206,9 @@ namespace Coffee.UIExtensions
 
 				Material mat = sm._maskMaterial;
 				var c = sm.graphic.canvas.rootCanvas;
-				if (c.renderMode != RenderMode.ScreenSpaceOverlay && c.worldCamera)
+				var wcam = c.worldCamera ?? Camera.main;
+				if (c.renderMode != RenderMode.ScreenSpaceOverlay && wcam)
 				{
-					var wcam = c.worldCamera;
 					var pv = GL.GetGPUProjectionMatrix (wcam.projectionMatrix, false) * wcam.worldToCameraMatrix;
 					mat.SetMatrix(s_GameVPId, pv);
 					mat.SetMatrix(s_GameTVPId, pv);