diff --git a/lib/Service/RestoreService.php b/lib/Service/RestoreService.php
index 676e7f5..952565d 100644
--- a/lib/Service/RestoreService.php
+++ b/lib/Service/RestoreService.php
@@ -130,13 +130,13 @@ final class RestoreService {
 			}
 		}
 		// Folders without anything in them, relative to $source ('' when $source itself is one).
-		/** @var array<array-key, true> $emptyDirs a folder called "2026" is an integer key */
+		/** @var array<array-key, int> $emptyDirs modification times; a folder called "2026" is an integer key */
 		$emptyDirs = [];
-		foreach ($single ? [] : $repo->emptyDirs($snapshotId) as [$dir]) {
+		foreach ($single ? [] : $repo->emptyDirs($snapshotId) as [$dir, $mtime]) {
 			if ($dir === $source) {
-				$emptyDirs[''] = true;
+				$emptyDirs[''] = $mtime;
 			} elseif (str_starts_with($dir, $source . '/')) {
-				$emptyDirs[substr($dir, strlen($source) + 1)] = true;
+				$emptyDirs[substr($dir, strlen($source) + 1)] = $mtime;
 			}
 		}
 		if ($entries === [] && $emptyDirs === []) {
@@ -172,8 +172,13 @@ final class RestoreService {
 			}
 		}
 
-		foreach (array_keys($emptyDirs) as $dir) {
-			$this->ensureFolder($dest, (string)$dir);
+		foreach ($emptyDirs as $dir => $mtime) {
+			$dir = (string)$dir;
+			$existed = $dir === '' || $dest->nodeExists($dir); // one that is there keeps its own time
+			$folder = $this->ensureFolder($dest, $dir);
+			if (!$existed) {
+				$folder->touch($mtime);
+			}
 		}
 
 		$trashed = 0;
diff --git a/tests/integration/roundtrip.sh b/tests/integration/roundtrip.sh
index fe7c458..0dce2d3 100755
--- a/tests/integration/roundtrip.sh
+++ b/tests/integration/roundtrip.sh
@@ -26,7 +26,7 @@ ok "location added"
 # Test data: a user with files.
 $X sh -c "OC_PASS='Roundtrip-pw-2026' php occ user:add --password-from-env $U >/dev/null"
 # large.bin (40 MB) fills more than one pack: a restore to a directory reads ahead over several ranges
-$X sh -c "mkdir -p $DATA/$U/files/Docs/Sub $DATA/$U/files/Docs/Empty/Nested $DATA/$U/files/Hollow && for i in 1 2 3 4 5; do head -c 300000 /dev/urandom > $DATA/$U/files/Docs/f\$i.bin; done; echo hello > $DATA/$U/files/Docs/Sub/note.txt; head -c 6000000 /dev/urandom > $DATA/$U/files/big.bin; head -c 40000000 /dev/urandom > $DATA/$U/files/large.bin"
+$X sh -c "mkdir -p $DATA/$U/files/Docs/Sub $DATA/$U/files/Docs/Empty/Nested $DATA/$U/files/Hollow && touch -d @1700000000 $DATA/$U/files/Hollow && for i in 1 2 3 4 5; do head -c 300000 /dev/urandom > $DATA/$U/files/Docs/f\$i.bin; done; echo hello > $DATA/$U/files/Docs/Sub/note.txt; head -c 6000000 /dev/urandom > $DATA/$U/files/big.bin; head -c 40000000 /dev/urandom > $DATA/$U/files/large.bin"
 occ files:scan "$U" >/dev/null
 SUM_BEFORE=$($X sh -c "cd $DATA/$U/files && find . -type f -print0 | sort -z | xargs -0 md5sum | md5sum")
 
@@ -47,6 +47,7 @@ $X sh -c "test -d $DATA/$U/files/Restored\ */Docs/Empty/Nested" || fail "the emp
 occ backup:browse ci "$SNAP" "data/$U/files" | grep Hollow >/dev/null || fail "an empty folder is not shown when browsing the snapshot"
 occ backup:restore ci "$SNAP" "data/$U/files/Hollow" -m merge >/dev/null || fail "restore of a folder that was empty"
 $X sh -c "test -d $DATA/$U/files/Hollow" || fail "the empty folder did not come back by itself"
+[ "$($X stat -c %Y "$DATA/$U/files/Hollow")" = 1700000000 ] || fail "the empty folder did not get its time back"
 occ backup:restore ci "$SNAP" "data/$U/files/Docs" -m replace >/dev/null || fail "restore replace"
 $X sh -c "test -d $DATA/$U/files/Docs/Empty/Nested" || fail "replace did not bring back the empty folder, or moved it to the trash"
 ok "empty folders: restored in each mode, by themselves and shown when browsing"