diff --git a/tests/data/test252 b/tests/data/test252
index 99d021a6e1..b3f4966a12 100644
--- a/tests/data/test252
+++ b/tests/data/test252
@@ -2,6 +2,7 @@
 <info>
 <keywords>
 FTP-ipv6
+IPv6
 EPSV
 </keywords>
 </info>
diff --git a/tests/data/test253 b/tests/data/test253
index 7da7211872..9be5f3d609 100644
--- a/tests/data/test253
+++ b/tests/data/test253
@@ -2,6 +2,7 @@
 <info>
 <keywords>
 FTP-ipv6
+IPv6
 EPRT
 </keywords>
 </info>
diff --git a/tests/data/test254 b/tests/data/test254
index 19ae36389c..571b033f7b 100644
--- a/tests/data/test254
+++ b/tests/data/test254
@@ -2,6 +2,7 @@
 <info>
 <keywords>
 FTP-ipv6
+IPv6
 EPSV
 --disable-epsv
 </keywords>
diff --git a/tests/data/test255 b/tests/data/test255
index 4bef23fa7a..cc50c95e4b 100644
--- a/tests/data/test255
+++ b/tests/data/test255
@@ -2,6 +2,7 @@
 <info>
 <keywords>
 FTP-ipv6
+IPv6
 EPRT
 --disable-eprt
 </keywords>