diff --git a/src/test/unittests/synergy/ArgParserTests.cpp b/src/test/unittests/synergy/ArgParserTests.cpp
index b35e39340..d7176b360 100644
--- a/src/test/unittests/synergy/ArgParserTests.cpp
+++ b/src/test/unittests/synergy/ArgParserTests.cpp
@@ -16,6 +16,7 @@
  */
 
 #include <functional>
+#include <array>
 
 #include "synergy/ArgParser.h"
 #include "synergy/ArgsBase.h"