diff --git a/src/tcp_sample.c b/src/tcp_sample.c
index 8242fa4..d574534 100644
--- a/src/tcp_sample.c
+++ b/src/tcp_sample.c
@@ -413,9 +413,9 @@
  * instance v4/v6 must be declared v4.
  */
 static struct sample_fetch_kw_list sample_fetch_keywords = {ILH, {
-	{ "bc_dst",      smp_fetch_dst,   0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
+	{ "bc_dst",      smp_fetch_dst,   0, NULL, SMP_T_IPV4, SMP_USE_L4SRV },
 	{ "bc_dst_port", smp_fetch_dport, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
-	{ "bc_src",      smp_fetch_src,   0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
+	{ "bc_src",      smp_fetch_src,   0, NULL, SMP_T_IPV4, SMP_USE_L4SRV },
 	{ "bc_src_port", smp_fetch_sport, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
 
 	{ "dst",      smp_fetch_dst,   0, NULL, SMP_T_IPV4, SMP_USE_L4CLI },