diff --git a/src/myx/qt/posix_signal_watcher.cpp b/src/myx/qt/posix_signal_watcher.cpp
index 2ff13f8..1a26d4b 100644
--- a/src/myx/qt/posix_signal_watcher.cpp
+++ b/src/myx/qt/posix_signal_watcher.cpp
@@ -10,7 +10,7 @@ namespace myx {
 
 namespace qt {
 
-std::array< int, 2 > PosixSignalWatcherPrivate::mSockpair = { 0, 0 };
+std::array< int, 2 > PosixSignalWatcherPrivate::mSockpair { { 0, 0 } };
 
 PosixSignalWatcherPrivate::~PosixSignalWatcherPrivate() = default;