diff --git a/iptables/nft-arp.c b/iptables/nft-arp.c
index 264864c3fb2b2..c11d64c368638 100644
--- a/iptables/nft-arp.c
+++ b/iptables/nft-arp.c
@@ -385,14 +385,8 @@ static bool nft_arp_is_same(const struct iptables_command_state *cs_a,
 		return false;
 	}
 
-	return is_same_interfaces(a->arp.iniface,
-				  a->arp.outiface,
-				  (unsigned char *)a->arp.iniface_mask,
-				  (unsigned char *)a->arp.outiface_mask,
-				  b->arp.iniface,
-				  b->arp.outiface,
-				  (unsigned char *)b->arp.iniface_mask,
-				  (unsigned char *)b->arp.outiface_mask);
+	return is_same_interfaces(a->arp.iniface, a->arp.outiface,
+				  b->arp.iniface, b->arp.outiface);
 }
 
 static void nft_arp_save_chain(const struct nftnl_chain *c, const char *policy)
diff --git a/iptables/nft-ipv4.c b/iptables/nft-ipv4.c
index 740928757b7e2..0c8bd2911d105 100644
--- a/iptables/nft-ipv4.c
+++ b/iptables/nft-ipv4.c
@@ -113,9 +113,7 @@ static bool nft_ipv4_is_same(const struct iptables_command_state *a,
 	}
 
 	return is_same_interfaces(a->fw.ip.iniface, a->fw.ip.outiface,
-				  a->fw.ip.iniface_mask, a->fw.ip.outiface_mask,
-				  b->fw.ip.iniface, b->fw.ip.outiface,
-				  b->fw.ip.iniface_mask, b->fw.ip.outiface_mask);
+				  b->fw.ip.iniface, b->fw.ip.outiface);
 }
 
 static void nft_ipv4_set_goto_flag(struct iptables_command_state *cs)
diff --git a/iptables/nft-ipv6.c b/iptables/nft-ipv6.c
index b184f8af3e6ed..4dbb2af206054 100644
--- a/iptables/nft-ipv6.c
+++ b/iptables/nft-ipv6.c
@@ -99,11 +99,7 @@ static bool nft_ipv6_is_same(const struct iptables_command_state *a,
 	}
 
 	return is_same_interfaces(a->fw6.ipv6.iniface, a->fw6.ipv6.outiface,
-				  a->fw6.ipv6.iniface_mask,
-				  a->fw6.ipv6.outiface_mask,
-				  b->fw6.ipv6.iniface, b->fw6.ipv6.outiface,
-				  b->fw6.ipv6.iniface_mask,
-				  b->fw6.ipv6.outiface_mask);
+				  b->fw6.ipv6.iniface, b->fw6.ipv6.outiface);
 }
 
 static void nft_ipv6_set_goto_flag(struct iptables_command_state *cs)
diff --git a/iptables/nft-shared.c b/iptables/nft-shared.c
index 6775578b1e36b..2c29e68f551df 100644
--- a/iptables/nft-shared.c
+++ b/iptables/nft-shared.c
@@ -220,36 +220,16 @@ void add_l4proto(struct nft_handle *h, struct nftnl_rule *r,
 }
 
 bool is_same_interfaces(const char *a_iniface, const char *a_outiface,
-			unsigned const char *a_iniface_mask,
-			unsigned const char *a_outiface_mask,
-			const char *b_iniface, const char *b_outiface,
-			unsigned const char *b_iniface_mask,
-			unsigned const char *b_outiface_mask)
+			const char *b_iniface, const char *b_outiface)
 {
-	int i;
-
-	for (i = 0; i < IFNAMSIZ; i++) {
-		if (a_iniface_mask[i] != b_iniface_mask[i]) {
-			DEBUGP("different iniface mask %x, %x (%d)\n",
-			a_iniface_mask[i] & 0xff, b_iniface_mask[i] & 0xff, i);
-			return false;
-		}
-		if ((a_iniface[i] & a_iniface_mask[i])
-		    != (b_iniface[i] & b_iniface_mask[i])) {
-			DEBUGP("different iniface\n");
-			return false;
-		}
-		if (a_outiface_mask[i] != b_outiface_mask[i]) {
-			DEBUGP("different outiface mask\n");
-			return false;
-		}
-		if ((a_outiface[i] & a_outiface_mask[i])
-		    != (b_outiface[i] & b_outiface_mask[i])) {
-			DEBUGP("different outiface\n");
-			return false;
-		}
+	if (strncmp(a_iniface, b_iniface, IFNAMSIZ)) {
+		DEBUGP("different iniface\n");
+		return false;
+	}
+	if (strncmp(a_outiface, b_outiface, IFNAMSIZ)) {
+		DEBUGP("different outiface\n");
+		return false;
 	}
-
 	return true;
 }
 
diff --git a/iptables/nft-shared.h b/iptables/nft-shared.h
index 51d1e4609a3b6..b57aee1f84a87 100644
--- a/iptables/nft-shared.h
+++ b/iptables/nft-shared.h
@@ -105,11 +105,7 @@ void add_l4proto(struct nft_handle *h, struct nftnl_rule *r, uint8_t proto, uint
 void add_compat(struct nftnl_rule *r, uint32_t proto, bool inv);
 
 bool is_same_interfaces(const char *a_iniface, const char *a_outiface,
-			unsigned const char *a_iniface_mask,
-			unsigned const char *a_outiface_mask,
-			const char *b_iniface, const char *b_outiface,
-			unsigned const char *b_iniface_mask,
-			unsigned const char *b_outiface_mask);
+			const char *b_iniface, const char *b_outiface);
 
 void __get_cmp_data(struct nftnl_expr *e, void *data, size_t dlen, uint8_t *op);
 void get_cmp_data(struct nftnl_expr *e, void *data, size_t dlen, bool *inv);
diff --git a/iptables/tests/shell/testcases/nft-only/0020-compare-interfaces_0 b/iptables/tests/shell/testcases/nft-only/0020-compare-interfaces_0
new file mode 100755
index 0000000000000..278cd648ebb78
--- /dev/null
+++ b/iptables/tests/shell/testcases/nft-only/0020-compare-interfaces_0
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }
+
+$XT_MULTI iptables -N test
+$XT_MULTI iptables -A test -i lo \! -o lo -j REJECT
+$XT_MULTI iptables -C test -i abcdefgh \! -o abcdefgh -j REJECT 2>/dev/null && exit 1
+
+exit 0