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-rw-r--r--lib/private/Collaboration/Collaborators/UserPlugin.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/private/Collaboration/Collaborators/UserPlugin.php b/lib/private/Collaboration/Collaborators/UserPlugin.php
index 13e914367d7..2d21c6a16f7 100644
--- a/lib/private/Collaboration/Collaborators/UserPlugin.php
+++ b/lib/private/Collaboration/Collaborators/UserPlugin.php
@@ -147,9 +147,9 @@ class UserPlugin implements ISearchPlugin {
if (
- strtolower($uid) === $lowerSearch ||
+ $lowerSearch !== '' && (strtolower($uid) === $lowerSearch ||
strtolower($userDisplayName) === $lowerSearch ||
- strtolower($userEmail) === $lowerSearch
+ strtolower($userEmail) === $lowerSearch)
) {
if (strtolower($uid) === $lowerSearch) {
$foundUserById = true;