diff --git a/src/octave/curve.m b/src/octave/curve.m
index 62f1c9f81e19763a511003bfc7b51a47b67f0ae0..9e2583400d6d549ff52952a4641c335715025224 100644
--- a/src/octave/curve.m
+++ b/src/octave/curve.m
@@ -40,10 +40,10 @@ vecs(1,:) = [0; 0]; % So that we can always calculate a difference
 vecs(2,:) = [0; 1]; % Start
 
 for j = 2:steps+1
-    vecs(j+1,:) = duneminimise(A,b,func,vecs(j,:));
-    diffs(j,:) = vecs(j+1,:) - vecs(j,:);
-    line([vecs(j,1) vecs(j+1,1)], ...
-	 [vecs(j,2) vecs(j+1,2)], ...
+  vecs(j+1,:) = duneminimise(A,b,func,vecs(j,:));
+  diffs(j,:) = vecs(j+1,:) - vecs(j,:);
+  line([vecs(j,1) vecs(j+1,1)], ...
+       [vecs(j,2) vecs(j+1,2)], ...
        [duneevaluate(A,b,func,vecs(j,:)') duneevaluate(A,b,func,vecs(j+1,:)')], ...
        'color', 'y');
 end
@@ -52,4 +52,3 @@ axis tight;
 xlabel x;
 ylabel y;
 hold off;
-
diff --git a/src/octave/zigzag.m b/src/octave/zigzag.m
index 28e75be116ffaf02d819fac5b542ea1615bbca67..a6667c16ae6a07ad2a40315d06f8b1766bb6e9f2 100644
--- a/src/octave/zigzag.m
+++ b/src/octave/zigzag.m
@@ -40,10 +40,10 @@ vecs(1,:) = [  0; 0]; % So that we can always calculate a difference
 vecs(2,:) = [279; 0]; % Start
 
 for j = 2:steps+1
-    vecs(j+1,:) = duneminimise(A,b,func,vecs(j,:));
-    diffs(j,:) = vecs(j+1,:) - vecs(j,:);
-    line([vecs(j,1) vecs(j+1,1)], ...
-	 [vecs(j,2) vecs(j+1,2)], ...
+  vecs(j+1,:) = duneminimise(A,b,func,vecs(j,:));
+  diffs(j,:) = vecs(j+1,:) - vecs(j,:);
+  line([vecs(j,1) vecs(j+1,1)], ...
+       [vecs(j,2) vecs(j+1,2)], ...
        [duneevaluate(A,b,func,vecs(j,:)') duneevaluate(A,b,func,vecs(j+1,:)')], ...
        'color', 'y');
 end
@@ -52,4 +52,3 @@ axis tight;
 xlabel x;
 ylabel y;
 hold off;
-