diff --git a/src/fsfw/osal/host/Clock.cpp b/src/fsfw/osal/host/Clock.cpp
index 18cc4639..5e917600 100644
--- a/src/fsfw/osal/host/Clock.cpp
+++ b/src/fsfw/osal/host/Clock.cpp
@@ -50,6 +50,7 @@ ReturnValue_t Clock::setClock(const timeval* time) {
 ReturnValue_t Clock::getClockMonotonic(timeval* time) {
 #if defined(PLATFORM_WIN)
   // TODO: Implement with std::chrono::steady_clock
+  return returnvalue::FAILED;
 #elif defined(PLATFORM_UNIX)
   timespec timeMonotonic;
   int status = clock_gettime(CLOCK_MONOTONIC_RAW, &timeMonotonic);