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-rw-r--r--engine/lib/metadata.php2
1 files changed, 2 insertions, 0 deletions
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index a1ebfa5f1..ad926a49a 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -619,6 +619,8 @@ $owner_guids = NULL) {
// if the operand is IN don't quote it because quoting should be done already.
if (is_numeric($pair['value'])) {
$value = sanitise_string($pair['value']);
+ } else if (is_bool($pair['value'])) {
+ $value = (int) $pair['value'];
} else if (is_array($pair['value'])) {
$values_array = array();