diff --git a/src/com/sheepit/client/Client.java b/src/com/sheepit/client/Client.java
index a1364e97..70ae8b56 100644
--- a/src/com/sheepit/client/Client.java
+++ b/src/com/sheepit/client/Client.java
@@ -533,7 +533,7 @@ protected void sendError(int step_, Job job_to_reset_, Error.Type error) {
 		
 		this.log.debug("Sending error to server (type: " + error + ")");
 		try {
-			File temp_file = File.createTempFile("farm_", "");
+			File temp_file = File.createTempFile("farm_", ".txt");
 			temp_file.createNewFile();
 			temp_file.deleteOnExit();
 			FileOutputStream writer = new FileOutputStream(temp_file);