diff --git a/pkg/ebpf/c/v4events.bpf.c b/pkg/ebpf/c/v4events.bpf.c
index 1c39347..6057801 100644
--- a/pkg/ebpf/c/v4events.bpf.c
+++ b/pkg/ebpf/c/v4events.bpf.c
@@ -24,7 +24,7 @@ struct data_t {
     __u32  dest_port;
     __u32  protocol;
     __u32  verdict;
-    __64 packet_sz;
+    __u32 packet_sz;
     __u8 is_egress;
 };