diff --git a/src/main/resources/app.xml b/src/main/resources/app.xml
index 11c6f6a86..48348e959 100644
--- a/src/main/resources/app.xml
+++ b/src/main/resources/app.xml
@@ -30,6 +30,7 @@
 			<component class="org.apache.lucene.analysis.core.WhitespaceAnalyzer"></component>
 		</arg>
 		<property name="lowercaseExpandedTerms">false</property>
+		<property name="allowLeadingWildcard">true</property>
 		<property name="defaultOperator">org.apache.lucene.queryparser.classic.QueryParser$Operator.AND</property>
 	</component>
 	<component name="queryHelper" class="org.codelibs.fess.helper.QueryHelper">