diff --git a/matlab/DiffuseKalmanSmoother3_Z.m b/matlab/DiffuseKalmanSmoother3_Z.m
index 6402e6fbb..66e377224 100644
--- a/matlab/DiffuseKalmanSmoother3_Z.m
+++ b/matlab/DiffuseKalmanSmoother3_Z.m
@@ -206,7 +206,7 @@ while notsteady & t<smpl
     end
     a1(:,t+1) = T*a(:,t);
     Pf = P(:,:,t);
-    aK(1,:,t+1) = a1(:,t+1) 
+    aK(1,:,t+1) = a1(:,t+1); 
     for jnk=1:nk,
         Pf = T*Pf*T' + QQ;
         PK(jnk,:,:,t+jnk) = Pf;