diff --git a/src/core/libraries/kernel/threads/pthread.cpp b/src/core/libraries/kernel/threads/pthread.cpp
index b76846066..e791e74bf 100644
--- a/src/core/libraries/kernel/threads/pthread.cpp
+++ b/src/core/libraries/kernel/threads/pthread.cpp
@@ -523,6 +523,7 @@ int PS4_SYSV_ABI posix_pthread_setcancelstate(PthreadCancelState state,
     if (oldstate) {
         *oldstate = oldval ? PthreadCancelState::Enable : PthreadCancelState::Disable;
     }
+    return 0;
 }
 
 int Pthread::SetAffinity(const Cpuset* cpuset) {