diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h
index 68e3fc7f98..c0afb0426c 100644
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@@ -75,7 +75,7 @@ enum class NeedsBigProcessLock {
     S(fstat, NeedsBigProcessLock::No)                       \
     S(fstatvfs, NeedsBigProcessLock::No)                    \
     S(fsync, NeedsBigProcessLock::No)                       \
-    S(ftruncate, NeedsBigProcessLock::Yes)                  \
+    S(ftruncate, NeedsBigProcessLock::No)                   \
     S(futex, NeedsBigProcessLock::Yes)                      \
     S(get_dir_entries, NeedsBigProcessLock::Yes)            \
     S(get_process_name, NeedsBigProcessLock::Yes)           \
diff --git a/Kernel/Syscalls/ftruncate.cpp b/Kernel/Syscalls/ftruncate.cpp
index bd8cbd6b5f..5bde524874 100644
--- a/Kernel/Syscalls/ftruncate.cpp
+++ b/Kernel/Syscalls/ftruncate.cpp
@@ -13,7 +13,7 @@ namespace Kernel {
 // hence it can't be passed by register on 32bit platforms.
 ErrorOr<FlatPtr> Process::sys$ftruncate(int fd, Userspace<off_t const*> userspace_length)
 {
-    VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
+    VERIFY_NO_PROCESS_BIG_LOCK(this);
     TRY(require_promise(Pledge::stdio));
     auto length = TRY(copy_typed_from_user(userspace_length));
     if (length < 0)