diff --git a/emper/Debug.cpp b/emper/Debug.cpp
index 6c3248280e995fad47616a06a59d66404dc0a4f4..c8cfd09b886694c185977da978be62999127aa97 100644
--- a/emper/Debug.cpp
+++ b/emper/Debug.cpp
@@ -55,7 +55,7 @@ void emper_log(const std::string& prefix, const std::string& message) {
 	logMessage << message;
 
 	std::unique_lock<std::mutex> lock(emper_log_mutex);
-	std::cerr << logMessage.str() << std::endl;
+	std::cerr << logMessage.str();
 }
 
 // global log_level which can be changed to control the log output