diff --git a/src/log.d b/src/log.d
index 049c46ff..21977c27 100644
--- a/src/log.d
+++ b/src/log.d
@@ -55,13 +55,13 @@ class LogBuffer {
 
 		void shutdown() {
 			synchronized(bufferLock) {
+				if (!isRunning) return; // Prevent multiple shutdowns
 				isRunning = false;
-				condReady.notify();
+				condReady.notifyAll(); // Wake up all waiting threads
 			}
-            flushThread.join();
-            flush();
+			flushThread.join(); // Wait for the flush thread to finish
+			flush(); // Perform a final flush to ensure all data is processed
 		}
-
         shared void logThisMessage(string message, string[] levels = ["info"]) {
 			// Generate the timestamp for this log entry
 			auto timeStamp = leftJustify(Clock.currTime().toString(), 28, '0');