diff --git a/xdp-synproxy/xdp_synproxy.bpf.c b/xdp-synproxy/xdp_synproxy.bpf.c
index 7386218d..b5b08971 100644
--- a/xdp-synproxy/xdp_synproxy.bpf.c
+++ b/xdp-synproxy/xdp_synproxy.bpf.c
@@ -443,7 +443,7 @@ static __always_inline int tcp_lookup(void *ctx, struct header_pointers *hdr, bo
 		/* TCP doesn't normally use fragments, and XDP can't reassemble
 		 * them.
 		 */
-		if ((hdr->ipv4->frag_off & bpf_htons(IP_DF | IP_MF | IP_OFFSET)) != bpf_htons(IP_DF))
+		if ((hdr->ipv4->frag_off & bpf_htons(IP_MF | IP_OFFSET)) != 0)
 			return XDP_DROP;
 
 		tup.ipv4.saddr = hdr->ipv4->saddr;