diff --git a/src/test/java/de/ids_mannheim/korap/index/TestIndexRevision.java b/src/test/java/de/ids_mannheim/korap/index/TestIndexRevision.java
index c6b0f3c..1c43baf 100644
--- a/src/test/java/de/ids_mannheim/korap/index/TestIndexRevision.java
+++ b/src/test/java/de/ids_mannheim/korap/index/TestIndexRevision.java
@@ -24,7 +24,7 @@
     public void testIndexRevisionAdd () throws IOException {
         KrillIndex ki = new KrillIndex();
 
-        assertEquals(ki.getFingerprint(),"null");
+        assertEquals("null", ki.getFingerprint());
         
         ki.addDoc(getClass().getResourceAsStream("/wiki/00001.json.gz"), true);
         ki.commit();
@@ -74,7 +74,7 @@
     public void testIndexRevisionDel () throws IOException {
         KrillIndex ki = new KrillIndex();
 
-        assertEquals(ki.getFingerprint(),"null");
+        assertEquals("null", ki.getFingerprint());
         
         ki.addDoc(getClass().getResourceAsStream("/wiki/00001.json.gz"), true);
         ki.commit();