diff --git a/tests/data/test3021 b/tests/data/test3021
index 0a02e18443..bd6ae8d6dc 100644
--- a/tests/data/test3021
+++ b/tests/data/test3021
@@ -17,6 +17,10 @@ test
 #
 # Client-side
 <client>
+# so far only the libssh2 backend supports SHA256
+<features>
+libssh2
+</features>
 <server>
 sftp
 </server>
diff --git a/tests/data/test3022 b/tests/data/test3022
index f3477909d6..db24ca9f4a 100644
--- a/tests/data/test3022
+++ b/tests/data/test3022
@@ -17,6 +17,10 @@ test
 #
 # Client-side
 <client>
+# so far only the libssh2 backend supports SHA256
+<features>
+libssh2
+</features>
 <server>
 scp
 </server>