diff --git a/kernel/src/fs/tmpfs/FileSystem.cpp b/kernel/src/fs/tmpfs/FileSystem.cpp
index c5a77386..a31fd707 100644
--- a/kernel/src/fs/tmpfs/FileSystem.cpp
+++ b/kernel/src/fs/tmpfs/FileSystem.cpp
@@ -66,6 +66,8 @@ namespace TmpFS
 
     Result<SharedPtr<VFS::Inode>> DirInode::create_file(const char* name)
     {
+        if (find(name).has_value()) return err(EEXIST);
+
         auto inode = TRY(m_fs->create_file_inode());
 
         TRY(add_entry(inode, name));
@@ -75,6 +77,8 @@ namespace TmpFS
 
     Result<SharedPtr<VFS::Inode>> DirInode::create_subdirectory(const char* name)
     {
+        if (find(name).has_value()) return err(EEXIST);
+
         auto inode = TRY(m_fs->create_dir_inode(m_self));
 
         TRY(add_entry(inode, name));