diff --git a/cmake/Testing.cmake b/cmake/Testing.cmake
index 082d221f0..c9f9304ff 100644
--- a/cmake/Testing.cmake
+++ b/cmake/Testing.cmake
@@ -22,4 +22,6 @@ auto_test(core toxpk)
 auto_test(core toxid)
 auto_test(chatlog textformatter)
 auto_test(net toxmedata)
-auto_test(platform posixsignalnotifier)
+if (UNIX)
+  auto_test(platform posixsignalnotifier)
+endif()