diff --git a/contrib/dlz/modules/ldap/dlz_ldap_dynamic.c b/contrib/dlz/modules/ldap/dlz_ldap_dynamic.c
index 48f4b63262..ce1c50c44a 100644
--- a/contrib/dlz/modules/ldap/dlz_ldap_dynamic.c
+++ b/contrib/dlz/modules/ldap/dlz_ldap_dynamic.c
@@ -971,11 +971,13 @@ dlz_create(const char *dlzname, unsigned int argc, char *argv[], void **dbdata,
 		if (result != ISC_R_SUCCESS) {
 			goto cleanup;
 		}
+		FALLTHROUGH;
 	case 11:
 		result = dlz_ldap_checkURL(ldap, argv[10], 3, "all nodes");
 		if (result != ISC_R_SUCCESS) {
 			goto cleanup;
 		}
+		FALLTHROUGH;
 	case 10:
 		if (strlen(argv[9]) > 0) {
 			result = dlz_ldap_checkURL(ldap, argv[9], 3,
@@ -984,6 +986,7 @@ dlz_create(const char *dlzname, unsigned int argc, char *argv[], void **dbdata,
 				goto cleanup;
 			}
 		}
+		FALLTHROUGH;
 	case 9:
 		result = dlz_ldap_checkURL(ldap, argv[8], 3, "lookup");
 		if (result != ISC_R_SUCCESS) {