diff --git a/RBM/jconv.m b/RBM/jconv.m
index 3aff1e9..b1b9487 100644
--- a/RBM/jconv.m
+++ b/RBM/jconv.m
@@ -4,6 +4,7 @@ function jconv(data, label)
 s = ['mnist_' num2str(label) '.trainingStates.dat']
 fid = fopen(s, 'w');
 fprintf(fid, '%d\n', numTrain);
+fprintf(fid, '%d\n', numPixel);
 
 for m=1:numTrain,
 	jwrite(fid, data(m,:));
diff --git a/RBM/jwrite.m b/RBM/jwrite.m
index 27b5411..21bc7e9 100644
--- a/RBM/jwrite.m
+++ b/RBM/jwrite.m
@@ -2,7 +2,6 @@ function jwrite(fid, data)
 
 numPixel = length(data);
 
-fprintf(fid, '%d\n', numPixel);
 for n=1:numPixel,
 	fprintf(fid, '%f\n', data(n));
 end