diff --git a/kernel/include/kernel/FS/Inode.h b/kernel/include/kernel/FS/Inode.h
index 956beba70..eafdd99f5 100644
--- a/kernel/include/kernel/FS/Inode.h
+++ b/kernel/include/kernel/FS/Inode.h
@@ -87,6 +87,8 @@ namespace Kernel
 
 		virtual BAN::ErrorOr<size_t> read(size_t, void*, size_t)		{ if (mode().ifdir()) return BAN::Error::from_errno(EISDIR); ASSERT_NOT_REACHED(); }
 		virtual BAN::ErrorOr<size_t> write(size_t, const void*, size_t)	{ if (mode().ifdir()) return BAN::Error::from_errno(EISDIR); ASSERT_NOT_REACHED(); }
+		
+		virtual BAN::ErrorOr<void> truncate(size_t) { if (mode().ifdir()) return BAN::Error::from_errno(EISDIR); return BAN::Error::from_errno(ENOTSUP); }
 
 		virtual BAN::ErrorOr<void> create_file(BAN::StringView, mode_t, uid_t, gid_t) { if (!mode().ifdir()) return BAN::Error::from_errno(ENOTDIR); ASSERT_NOT_REACHED(); }
 	};
diff --git a/kernel/kernel/OpenFileDescriptorSet.cpp b/kernel/kernel/OpenFileDescriptorSet.cpp
index 67fd255b3..8cae3ed98 100644
--- a/kernel/kernel/OpenFileDescriptorSet.cpp
+++ b/kernel/kernel/OpenFileDescriptorSet.cpp
@@ -49,11 +49,14 @@ namespace Kernel
 
 	BAN::ErrorOr<int> OpenFileDescriptorSet::open(BAN::StringView absolute_path, int flags)
 	{
-		if (flags & ~(O_RDONLY | O_WRONLY | O_NOFOLLOW | O_SEARCH | O_APPEND | O_CLOEXEC))
+		if (flags & ~(O_RDONLY | O_WRONLY | O_NOFOLLOW | O_SEARCH | O_APPEND | O_TRUNC | O_CLOEXEC))
 			return BAN::Error::from_errno(ENOTSUP);
 
 		auto file = TRY(VirtualFileSystem::get().file_from_absolute_path(m_credentials, absolute_path, flags));
 
+		if (flags & O_TRUNC)
+			TRY(file.inode->truncate(0));
+
 		int fd = TRY(get_free_fd());
 		m_open_files[fd] = TRY(BAN::RefPtr<OpenFileDescription>::create(file.inode, BAN::move(file.canonical_path), 0, flags));