diff --git a/src/cnn.c b/src/cnn.c
index 0acc842c..cac11494 100644
--- a/src/cnn.c
+++ b/src/cnn.c
@@ -655,9 +655,8 @@ void visualize_cat()
 	cvWaitKey(0);
 }
 
-void features_VOC_image(char *image_file, char *image_dir, char *out_dir, int flip)
+void features_VOC_image(char *image_file, char *image_dir, char *out_dir, int flip, int interval)
 {
-	int interval = 4;
 	int i,j;
 	network net = parse_network_cfg("cfg/voc_imagenet.cfg");
 	char image_path[1024];
@@ -785,6 +784,9 @@ int main(int argc, char *argv[])
 	//tune_VOC();
 	//features_VOC_image(argv[1], argv[2], argv[3], 0);
 	//features_VOC_image(argv[1], argv[2], argv[3], 1);
+	//train_VOC();
+	//features_VOC_image(argv[1], argv[2], argv[3], 0, 4);
+	//features_VOC_image(argv[1], argv[2], argv[3], 1, 4);
 	//features_VOC_image_size(argv[1], atoi(argv[2]), atoi(argv[3]));
 	//visualize_imagenet_features("data/assira/train.list");
 	//visualize_imagenet_topk("data/VOC2012.list");
diff --git a/src/data.c b/src/data.c
index a2432af1..30ee9ecb 100644
--- a/src/data.c
+++ b/src/data.c
@@ -37,6 +37,7 @@ data load_data_image_paths(char **paths, int n, char **labels, int k, int h, int
     d.shallow = 0;
     d.X.rows = n;
     d.X.vals = calloc(d.X.rows, sizeof(float*));
+    d.X.cols = 0;
     d.y = make_matrix(n, k);
 
     for(i = 0; i < n; ++i){
diff --git a/src/image.c b/src/image.c
index 453919fb..e2c451b7 100644
--- a/src/image.c
+++ b/src/image.c
@@ -199,6 +199,7 @@ void show_image_collapsed(image p, char *name)
 image make_empty_image(int h, int w, int c)
 {
     image out;
+    out.data = 0;
     out.h = h;
     out.w = w;
     out.c = c;