diff --git a/src/network.c b/src/network.c
index 4eeed0a8..fc62ea79 100644
--- a/src/network.c
+++ b/src/network.c
@@ -179,7 +179,7 @@ network make_network(int n)
     network net = {0};
     net.n = n;
     net.layers = calloc(net.n, sizeof(layer));
-    net.seen = calloc(1, sizeof(int));
+    net.seen = calloc(1, sizeof(uint64_t));
 #ifdef GPU
     net.input_gpu = calloc(1, sizeof(float *));
     net.truth_gpu = calloc(1, sizeof(float *));
@@ -969,4 +969,4 @@ network combine_train_valid_networks(network net_train, network net_map)
         }
     }
     return net_combined;
-}
\ No newline at end of file
+}