diff --git a/src/fsfw/osal/linux/PosixThread.h b/src/fsfw/osal/linux/PosixThread.h
index 1ae0ec0c..133a9884 100644
--- a/src/fsfw/osal/linux/PosixThread.h
+++ b/src/fsfw/osal/linux/PosixThread.h
@@ -11,7 +11,7 @@
 
 enum SchedulingPolicy { REGULAR, RR };
 struct PosixThreadArgs {
-  SchedulingPolicy policy;
+  SchedulingPolicy policy = SchedulingPolicy::REGULAR;
 };
 
 class PosixThread {