diff --git a/core/libs/prx/libkernel_sys/Export.cpp b/core/libs/prx/libkernel_sys/Export.cpp
index 048d457629..94c339ffac 100644
--- a/core/libs/prx/libkernel_sys/Export.cpp
+++ b/core/libs/prx/libkernel_sys/Export.cpp
@@ -436,17 +436,21 @@ static int FollowLinkPath(const std::filesystem::path& source, std::filesystem::
 }
 #endif
 
-static int LinkNative(const std::filesystem::path& source, const std::filesystem::path& destination) {
+static int LinkSourceError(const std::filesystem::path& source) {
     std::error_code error;
     const auto status = std::filesystem::status(source, error);
     if (!std::filesystem::exists(status)) {
 #ifdef _WIN32
         std::filesystem::path target;
-        if (const int followError = FollowLinkPath(source, target)) return static_cast<int>(Fail(followError));
+        if (const int followError = FollowLinkPath(source, target)) return followError;
 #endif
-        return static_cast<int>(Fail(HasNonDirectoryPrefix(source) ? GuestEnotdir : GuestEnoent));
+        return HasNonDirectoryPrefix(source) ? GuestEnotdir : GuestEnoent;
     }
-    if (std::filesystem::is_directory(status)) return static_cast<int>(Fail(GuestEperm));
+    return std::filesystem::is_directory(status) ? GuestEperm : 0;
+}
+
+static int LinkNative(const std::filesystem::path& source, const std::filesystem::path& destination) {
+    std::error_code error;
     if (std::filesystem::exists(std::filesystem::symlink_status(destination, error))) return static_cast<int>(Fail(GuestEexist));
     if (!std::filesystem::is_directory(destination.parent_path(), error)) return static_cast<int>(Fail(HasNonDirectoryPrefix(destination) ? GuestEnotdir : GuestEnoent));
 #ifdef _WIN32
@@ -469,6 +473,7 @@ int APS5_VABI link_nid_postfix(const char* existing, const char* created) {
     std::filesystem::path source, destination;
     if (const int error = ResolvePathError_nid_no_patch(existing, source)) return static_cast<int>(Fail(error));
     if (const int error = ResolvePathError_nid_no_patch(created, destination)) return static_cast<int>(Fail(error));
+    if (const int error = LinkSourceError(source)) return static_cast<int>(Fail(error));
     return LinkNative(source, destination);
 }
 
@@ -484,12 +489,15 @@ static int ResolveAtPath(int fd, const char* path, std::filesystem::path& native
 
 int APS5_VABI linkat_nid_postfix(int fd1, const char* path1, int fd2, const char* path2, int flag) {
     if (flag & ~GuestAtSymlinkFollow) return static_cast<int>(Fail(GuestEinval));
-    if (path1 == nullptr || path2 == nullptr) return static_cast<int>(Fail(GuestEfault));
-    if (*path1 == '\0' || *path2 == '\0') return static_cast<int>(Fail(GuestEnoent));
+    if (path1 == nullptr) return static_cast<int>(Fail(GuestEfault));
+    if (*path1 == '\0') return static_cast<int>(Fail(GuestEnoent));
     std::filesystem::path source, destination;
     if (const int error = ResolveAtPath(fd1, path1, source)) return static_cast<int>(Fail(error));
-    if (const int error = ResolveAtPath(fd2, path2, destination)) return static_cast<int>(Fail(error));
     if (flag == 0 && IsSymbolicLink(source)) NotImplemented_nid_no_patch("linkat: a hard link to a symbolic link itself");
+    if (const int error = LinkSourceError(source)) return static_cast<int>(Fail(error));
+    if (path2 == nullptr) return static_cast<int>(Fail(GuestEfault));
+    if (*path2 == '\0') return static_cast<int>(Fail(GuestEnoent));
+    if (const int error = ResolveAtPath(fd2, path2, destination)) return static_cast<int>(Fail(error));
     return LinkNative(source, destination);
 }
 
diff --git a/core/libs/tests/GuestKernelSys.cpp b/core/libs/tests/GuestKernelSys.cpp
index 4f5aaa08a9..dee944c4fd 100644
--- a/core/libs/tests/GuestKernelSys.cpp
+++ b/core/libs/tests/GuestKernelSys.cpp
@@ -171,6 +171,12 @@ void OwnershipAndLinkTests(const std::filesystem::path& root) {
     Require(linkat_nid_postfix(directory, "missing.txt", directory, "absent.txt", 0) == -1 && Error() == 2);
     Require(linkat_nid_postfix(4321, "owned.txt", directory, "absent.txt", 0) == -1 && Error() == 9);
     Require(linkat_nid_postfix(directory, "owned.txt", 4321, "absent.txt", 0) == -1 && Error() == 9);
+    Require(linkat_nid_postfix(directory, "missing.txt", 4321, "absent.txt", 0) == -1 && Error() == 2);
+    Require(linkat_nid_postfix(directory, "missing.txt", -100, nullptr, 0) == -1 && Error() == 2);
+    Require(linkat_nid_postfix(-100, root.string().c_str(), 4321, "absent.txt", 0) == -1 && Error() == 1);
+    Require(linkat_nid_postfix(-100, root.string().c_str(), -100, "", 0) == -1 && Error() == 1);
+    Require(linkat_nid_postfix(directory, "owned.txt", -100, nullptr, 0) == -1 && Error() == 14);
+    Require(linkat_nid_postfix(directory, "owned.txt", -100, "", 0) == -1 && Error() == 2);
     const int plain = sceKernelOpen(file.c_str(), SCE_KERNEL_O_RDONLY, 0);
     Require(plain >= 0);
     Require(linkat_nid_postfix(plain, "owned.txt", directory, "absent.txt", 0) == -1 && Error() == 20);