diff --git a/src/beast/app/tools/LogCombiner.java b/src/beast/app/tools/LogCombiner.java
index 7c286902..6e1cb98d 100644
--- a/src/beast/app/tools/LogCombiner.java
+++ b/src/beast/app/tools/LogCombiner.java
@@ -593,6 +593,8 @@ public static void main(String[] args) {
 
                 if (combiner.m_sFileOut == null) {
                 	Log.warning.println("No output file specified");
+                } else {
+                    combiner.m_out = new PrintStream(combiner.m_sFileOut);
                 }
 
                 try {