diff --git a/src/qt/qt_platform.cpp b/src/qt/qt_platform.cpp
index 1364750b1..0df64c4dc 100644
--- a/src/qt/qt_platform.cpp
+++ b/src/qt/qt_platform.cpp
@@ -54,6 +54,10 @@
 #include "qt_progsettings.hpp"
 #include "qt_util.hpp"
 
+#ifndef Q_OS_WINDOWS
+#    include <signal.h>
+#endif
+
 #ifdef Q_OS_UNIX
 #    include <pthread.h>
 #    include <sys/mman.h>