diff --git a/source/gogga.d b/source/gogga.d
index 922014f..a8cc142 100644
--- a/source/gogga.d
+++ b/source/gogga.d
@@ -53,7 +53,7 @@ void gprint(messageT)(messageT message, DebugType debugType = DebugType.INFO)
     write(message);
 
     /* Unlock output */
-    writeMutex.lock();
+    writeMutex.unlock();
 }
 
 void gprintln(messageT)(messageT message, DebugType debugType = DebugType.INFO)