diff --git a/tests/queries/0_stateless/02366_kql_func_ip.reference b/tests/queries/0_stateless/02366_kql_func_ip.reference
index 7c1d2907d5a8..b643ef614585 100644
--- a/tests/queries/0_stateless/02366_kql_func_ip.reference
+++ b/tests/queries/0_stateless/02366_kql_func_ip.reference
@@ -77,6 +77,7 @@ fe80:0000:0000:0000:085d:e82c:9446:7994
 192.168.1.0/24
 192.168.1.0/24
 192.168.1.1/32
+192.168.1.0/24
 1
 1
 -- parse_ipv6_mask()
diff --git a/tests/queries/0_stateless/02366_kql_func_ip.sql b/tests/queries/0_stateless/02366_kql_func_ip.sql
index 638aaf3a2b0f..650167af6dc8 100644
--- a/tests/queries/0_stateless/02366_kql_func_ip.sql
+++ b/tests/queries/0_stateless/02366_kql_func_ip.sql
@@ -83,6 +83,7 @@ print format_ipv4_mask('192.168.1.255', 24);
 print format_ipv4_mask(3232236031, 24);
 print format_ipv4_mask('192.168.1.1', 24);
 print format_ipv4_mask('192.168.1.1', 32);
+print format_ipv4_mask('192.168.1.1/24', 32);
 print format_ipv4_mask('192.168.1.1/24', -1) == '';
 print format_ipv4_mask('abc', 24) == '';
 print '-- parse_ipv6_mask()';