diff --git a/test/sun/security/provider/SecureRandom/StrongSeedReader.java b/test/sun/security/provider/SecureRandom/StrongSeedReader.java
index 34f10f1d6a340e664d6b98cd750e16468c7f7b54..7057f9b2bb423dd17267d8a1270c946c00c16455 100644
--- a/test/sun/security/provider/SecureRandom/StrongSeedReader.java
+++ b/test/sun/security/provider/SecureRandom/StrongSeedReader.java
@@ -49,7 +49,7 @@ public class StrongSeedReader {
 
         File file = null;
         try {
-            file = new File(System.getProperty("java.io.tmpdir") +
+            file = new File(System.getProperty("java.io.tmpdir"),
                     "StrongSeedReader.tmpdata");
 
             // write a bunch of 0's to the file.