diff --git a/UsageEnvironment/Log.cpp b/UsageEnvironment/Log.cpp
index d99c2fc..f65b6a6 100644
--- a/UsageEnvironment/Log.cpp
+++ b/UsageEnvironment/Log.cpp
@@ -106,7 +106,9 @@ FILE* _Log::AcquireFile() {
 void _Log::SetTmpLogDir(std:: string logDirectory) {
   logFileDir = logDirectory;
 
+  printf("Setting tmp log dir.");
   if (kMaxLogs == 0 || logDirectory.empty()) {  // Use stdout
+    printf("Using stdout.");
     currLogFilePath = "";
     logToStdout = true;
     return;