diff --git a/servatrice/src/server_logger.cpp b/servatrice/src/server_logger.cpp
index efb6b1d6..3eac4f36 100644
--- a/servatrice/src/server_logger.cpp
+++ b/servatrice/src/server_logger.cpp
@@ -7,6 +7,7 @@
 #ifdef Q_OS_UNIX
 # include <sys/types.h>
 # include <sys/socket.h>
+# include <unistd.h>
 #endif
 
 ServerLogger::ServerLogger(bool _logToConsole, QObject *parent)