diff --git a/src/core/libraries/kernel/thread_management.cpp b/src/core/libraries/kernel/thread_management.cpp
index 63daa1d9e..c62dcf2f4 100644
--- a/src/core/libraries/kernel/thread_management.cpp
+++ b/src/core/libraries/kernel/thread_management.cpp
@@ -1087,7 +1087,7 @@ int PS4_SYSV_ABI scePthreadAttrGetstack(ScePthreadAttr* attr, void** addr, size_
 }
 
 int PS4_SYSV_ABI scePthreadAttrSetstack(ScePthreadAttr* attr, void* addr, size_t size) {
-    if (attr == nullptr || *attr == nullptr || addr == nullptr || size > 0x4000) {
+    if (attr == nullptr || *attr == nullptr || addr == nullptr || size < 0x4000) {
         return ORBIS_KERNEL_ERROR_EINVAL;
     }
     int result = pthread_attr_setstack(&(*attr)->pth_attr, addr, size);