diff --git a/src/java/org/apache/lucene/queryParser/QueryParser.java b/src/java/org/apache/lucene/queryParser/QueryParser.java
index f734450e351..35f8e39c953 100644
--- a/src/java/org/apache/lucene/queryParser/QueryParser.java
+++ b/src/java/org/apache/lucene/queryParser/QueryParser.java
@@ -238,6 +238,13 @@ public class QueryParser implements QueryParserConstants {
         break;
       v.addElement(t.termText());
     }
+    try {
+      source.close();
+    }
+    catch (IOException e) {
+      // ignore
+    }
+
     if (v.size() == 0)
       return null;
     else if (v.size() == 1)
diff --git a/src/java/org/apache/lucene/queryParser/QueryParser.jj b/src/java/org/apache/lucene/queryParser/QueryParser.jj
index 2320e8dfb2e..02ea937f3f2 100644
--- a/src/java/org/apache/lucene/queryParser/QueryParser.jj
+++ b/src/java/org/apache/lucene/queryParser/QueryParser.jj
@@ -300,6 +300,13 @@ public class QueryParser {
         break;
       v.addElement(t.termText());
     }
+    try {
+      source.close();
+    }
+    catch (IOException e) {
+      // ignore
+    }
+
     if (v.size() == 0)
       return null;
     else if (v.size() == 1)