diff --git a/fastnetmon.cpp b/fastnetmon.cpp
index 0514f54..4ea6c92 100644
--- a/fastnetmon.cpp
+++ b/fastnetmon.cpp
@@ -130,6 +130,8 @@ bool enable_data_collection_from_mirror = true;
 
 bool enable_sflow_collection = false;
 
+bool enable_netflow_collection = false;
+
 // Time consumed by reaclculation for all IPs
 struct timeval speed_calculation_time;
 
@@ -838,6 +840,14 @@ bool load_configuration_file() {
         }
     }
 
+    if (configuration_map.count("netflow") != 0) {
+        if (configuration_map[ "netflow" ] == "on") {
+            enable_netflow_collection = true;
+        } else {
+            enable_netflow_collection = false;
+        }
+    }
+
     if (configuration_map.count("mirror") != 0) { 
         if (configuration_map["mirror"] == "on") {
             enable_data_collection_from_mirror = true;
diff --git a/fastnetmon_types.h b/fastnetmon_types.h
index 9a1320f..2690bed 100644
--- a/fastnetmon_types.h
+++ b/fastnetmon_types.h
@@ -4,7 +4,7 @@
 // simplified packet struct for lightweight save into memory
 class simple_packet {
 public:
-    simple_packet() : sample_ratio(1), src_ip(0), dst_ip(0), source_port(0), destination_port(0), protocol(0), length(0), flags(0) { 
+    simple_packet() : sample_ratio(1), src_ip(0), dst_ip(0), source_port(0), destination_port(0), protocol(0), length(0), flags(0), number_of_packets(1) { 
         ts.tv_usec = 0;
         ts.tv_sec = 0;
     }
@@ -15,6 +15,7 @@ public:
     uint16_t     destination_port;
     unsigned     int protocol;
     unsigned     int length;
+    unsigned     int number_of_packets; /* for netflow */
     uint8_t      flags; /* tcp flags */
     struct       timeval ts;
 };