diff --git a/ddclient.in b/ddclient.in
index ce445fb..bc6fdb9 100755
--- a/ddclient.in
+++ b/ddclient.in
@@ -1636,6 +1636,7 @@ sub read_recap {
     $recap{$_} //= {} for keys(%config);
     for my $h (keys(%recap)) {
         next if !exists($config{$h});
+        my $vars = $protocols{opt('protocol', $h)}{variables};
         # Only status variables are copied from `%recap` into `%config` because the recap should
         # not change the configuration.  See the documenting comments for `%recap`.
         # TODO: Hard-coding this list impairs readability and maintainability.  In particular,
@@ -1648,6 +1649,7 @@ sub read_recap {
         # `$recap{$h}{'status-ipv4'}` directly.
         for my $v (qw(atime mtime wtime ipv4 ipv6 status-ipv4 status-ipv6
                       warned-min-interval warned-min-error-interval)) {
+            next if !$vars->{$v} || !$vars->{$v}{recap};
             if (defined($recap{$h}{$v})) {
                 $config{$h}{$v} = $recap{$h}{$v};
             } else {
diff --git a/t/read_recap.pl b/t/read_recap.pl
index 240bb8b..cafabd3 100644
--- a/t/read_recap.pl
+++ b/t/read_recap.pl
@@ -143,7 +143,6 @@ my @test_cases = (
         cachefile_lines => ["mtime=1234567890 host_b"],
         want => {host_b => {host => 'host_b'}},
         want_TODO => "longstanding minor issue, doesn't affect functionality",
-        want_config_changes_TODO => "longstanding bug",
     },
     {
         desc => "non-recap vars are scrubbed from %recap",
@@ -151,7 +150,6 @@ my @test_cases = (
         recap => {host_b => {host => 'host_b', mtime => 1234567891}},
         want => {host_b => {host => 'host_b'}},
         want_TODO => "longstanding minor issue, doesn't affect functionality",
-        want_config_changes_TODO => "longstanding minor issue, doesn't affect functionality",
     },
     {
         desc => "unknown hosts are scrubbed from %recap",