diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 5ac09b05db3b1..a1ac9ead69051 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -1766,7 +1766,7 @@ static constexpr char LockCommand = 'L';
 static constexpr char UnlockCommand = 'U';
 static constexpr char ExitCommand = 'X';
 
-static void TestOtherProcess(fs::path dirname, std::string lockname, int fd)
+[[noreturn]] static void TestOtherProcess(fs::path dirname, std::string lockname, int fd)
 {
     char ch;
     while (true) {