diff --git a/tap/tlstapper/bpf/golang_uprobes.c b/tap/tlstapper/bpf/golang_uprobes.c
index 7e189f861..11bf989b6 100644
--- a/tap/tlstapper/bpf/golang_uprobes.c
+++ b/tap/tlstapper/bpf/golang_uprobes.c
@@ -162,6 +162,8 @@ static __always_inline int golang_net_http_gzipreader_read_uprobe(struct pt_regs
     b->conn_addr = s->conn_addr;
     b->is_request = false;
     b->is_gzip_chunk = true;
+    b->len = ctx->rax;
+    b->cap = ctx->rax; // no cap info
 
     __u64 data_p;
     // Address at ctx->rsp + 0x8 holds the data
diff --git a/tap/tlstapper/tlstapper_bpfeb.o b/tap/tlstapper/tlstapper_bpfeb.o
index 17a9b9e90..21af51d7f 100644
Binary files a/tap/tlstapper/tlstapper_bpfeb.o and b/tap/tlstapper/tlstapper_bpfeb.o differ
diff --git a/tap/tlstapper/tlstapper_bpfel.o b/tap/tlstapper/tlstapper_bpfel.o
index 0b0701a70..12c4375e2 100644
Binary files a/tap/tlstapper/tlstapper_bpfel.o and b/tap/tlstapper/tlstapper_bpfel.o differ