diff --git a/includes/db/Database.php b/includes/db/Database.php
index 279948fb378..fd1415389ba 100644
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -1693,7 +1693,7 @@ abstract class DatabaseBase implements DatabaseType {
 		$opts = $this->makeUpdateOptions( $options );
 		$sql = "UPDATE $opts $table SET " . $this->makeList( $values, LIST_SET );
 
-		if ( $conds != '*' ) {
+		if ( $conds != '*' || ( is_array( $conds ) && count( $conds ) ) ) {
 			$sql .= " WHERE " . $this->makeList( $conds, LIST_AND );
 		}
 
diff --git a/includes/db/DatabaseOracle.php b/includes/db/DatabaseOracle.php
index 70f76b6ded8..23e449ac7f1 100644
--- a/includes/db/DatabaseOracle.php
+++ b/includes/db/DatabaseOracle.php
@@ -1194,7 +1194,7 @@ class DatabaseOracle extends DatabaseBase {
 			$sql .= $sqlSet;
 		}
 
-		if ( $conds != '*' ) {
+		if ( $conds != '*' || ( is_array( $conds ) && count( $conds ) ) ) {
 			$conds = $this->wrapConditionsForWhere( $table, $conds );
 			$sql .= ' WHERE ' . $this->makeList( $conds, LIST_AND );
 		}