diff --git a/Log.cpp b/Log.cpp
index 4f54549..391f9fe 100644
--- a/Log.cpp
+++ b/Log.cpp
@@ -15,6 +15,13 @@
 #include <QString>
 #endif
 
+#if LOG_ENABLEFLUSH == 1
+#define FLUSH_COMMAND std::endl
+#else
+// dont flush
+#define FLUSH_COMMAND '\n'
+#endif
+
 namespace Log {
 
 #if LOG_ENABLEQT == 1
@@ -54,8 +61,7 @@ public:
 
 		std::ostream* os = getOs(lvl);
 		if (os) {
-			*os << sbuf;
-			os->put('\n');
+			*os << sbuf << FLUSH_COMMAND;
 		}
 	};
 
diff --git a/Makefile b/Makefile
index 0b94e75..331b8ed 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,8 @@ TARGET = Log.o
 TEST   = test
 LOG_USEMUTEX ?= 0
 LOG_ENABLEQT ?= 0
-CXXFLAGS = -O2 -g -std=c++11 -Wall -Wextra -pedantic-errors -MMD -DLOG_USEMUTEX=$(LOG_USEMUTEX) -DLOG_ENABLEQT=$(LOG_ENABLEQT)
+LOG_ENABLEFLUSH ?= 0
+CXXFLAGS = -O2 -g -std=c++11 -Wall -Wextra -pedantic-errors -MMD -DLOG_USEMUTEX=$(LOG_USEMUTEX) -DLOG_ENABLEQT=$(LOG_ENABLEQT) -DLOG_ENABLEFLUSH=$(LOG_ENABLEFLUSH)
 
 .PHONY: all clean