diff --git a/EMongoDocument.php b/EMongoDocument.php
index 257d35c..f8418e7 100644
--- a/EMongoDocument.php
+++ b/EMongoDocument.php
@@ -1043,7 +1043,7 @@ public function search($query = array(), $project = array(), $partialMatch=false
 
 			$value = $this->{$attribute};
 			if ($value !== null && $value !== ''){
-				if((is_array($value) && count($value)) || is_object($value)){
+				if((is_array($value) && count($value)) || is_object($value) || is_bool($value)){
 					$query[$attribute] = $value;
 				}elseif(preg_match('/^(?:\s*(<>|<=|>=|<|>|=))?(.*)$/', $value, $matches)) {
 					$value = $matches[2];