diff --git a/src/core/libraries/kernel/thread_management.cpp b/src/core/libraries/kernel/thread_management.cpp
index 3aba1f78..648cdc40 100644
--- a/src/core/libraries/kernel/thread_management.cpp
+++ b/src/core/libraries/kernel/thread_management.cpp
@@ -1278,6 +1278,7 @@ int PS4_SYSV_ABI scePthreadOnce(int* once_control, void (*init_routine)(void)) {
 
 [[noreturn]] void PS4_SYSV_ABI scePthreadExit(void* value_ptr) {
     pthread_exit(value_ptr);
+    UNREACHABLE();
 }
 
 void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
@@ -1323,6 +1324,8 @@ void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("Ru36fiTtJzA", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrGetstackaddr);
     LIB_FUNCTION("-fA+7ZlGDQs", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrGetstacksize);
     LIB_FUNCTION("14bOACANTBo", "libkernel", 1, "libkernel", 1, 1, scePthreadOnce);
+    LIB_FUNCTION("F+yfmduIBB8", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrSetstackaddr);
+    LIB_FUNCTION("El+cQ20DynU", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrSetguardsize);
 
     // mutex calls
     LIB_FUNCTION("cmo1RIYva9o", "libkernel", 1, "libkernel", 1, 1, scePthreadMutexInit);