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;
diff --git a/matlab/kalman/likelihood/univariate_diffuse_kalman_filter.m b/matlab/kalman/likelihood/univariate_diffuse_kalman_filter.m
index 925b2bbeb..e6024a22f 100644
--- a/matlab/kalman/likelihood/univariate_diffuse_kalman_filter.m
+++ b/matlab/kalman/likelihood/univariate_diffuse_kalman_filter.m
@@ -134,7 +134,7 @@ while t < smpl
         Zi = Z(i,:);
         prediction_error = Y(i,t) - Zi*a;
         Fi   = Zi*Pstar*Zi'+H(i);
-        if Fi > crit
+        if Fi > kalman_tol
             Ki     = Pstar*Zi';
             a      = a + Ki*prediction_error/Fi;
             Pstar  = Pstar - Ki*Ki'/Fi;
diff --git a/matlab/kalman/likelihood/univariate_diffuse_kalman_filter_corr.m b/matlab/kalman/likelihood/univariate_diffuse_kalman_filter_corr.m
index 0370b89ca..fc588898d 100644
--- a/matlab/kalman/likelihood/univariate_diffuse_kalman_filter_corr.m
+++ b/matlab/kalman/likelihood/univariate_diffuse_kalman_filter_corr.m
@@ -183,7 +183,7 @@ while t < smpl
         Zi = ZZ(i,:);
         prediction_error = Y(i,t) - Zi*a;
         Fi   = Zi*Pstar*Zi'+H(i);
-        if Fi > crit
+        if Fi > kalman_tol
             Ki     = Pstar*Zi';
             a      = a + Ki*prediction_error/Fi;
             Pstar  = Pstar - Ki*Ki'/Fi;