diff --git a/thermalcamdecoder/src/main.rs b/thermalcamdecoder/src/main.rs
index 7818ece..2327b47 100644
--- a/thermalcamdecoder/src/main.rs
+++ b/thermalcamdecoder/src/main.rs
@@ -7,12 +7,24 @@ fn main() -> anyhow::Result<()> {
     let file = File::open("in.pcap")?;
     let mut cap = PcapNGReader::new(65535, file)?;
     let mut i = 0;
-    let mut max_offset = 0;
-    while let Ok((offset, _packet)) = cap.next() {
-        i += 1;
-        max_offset = offset;
-        cap.consume(offset)
+    let mut size = 0;
+    loop {
+        match cap.next() {
+            Ok((offset, _packet)) => {
+                i += 1;
+                size += offset;
+                cap.consume(offset)
+            }
+            Err(PcapError::Eof) => break,
+            Err(PcapError::Incomplete) => {
+                cap.refill().unwrap();
+            }
+            Err(_) => {
+                println!("unexpected error");
+                break;
+            }
+        }
     }
-    println!("found {} packets, {} last offset", i, max_offset);
+    println!("found {} packets, {} size", i, size);
     Ok(())
 }