diff --git a/source/blender/gpencil_modifiers/CMakeLists.txt b/source/blender/gpencil_modifiers/CMakeLists.txt
index 3b6f00b56d8..2a0015cd477 100644
--- a/source/blender/gpencil_modifiers/CMakeLists.txt
+++ b/source/blender/gpencil_modifiers/CMakeLists.txt
@@ -68,7 +68,7 @@ set(SRC
   intern/lineart/lineart_cpu.c
   intern/lineart/lineart_ops.c
   intern/lineart/lineart_util.c
-  intern/lineart/lineart_cpp_bridge.cpp
+  intern/lineart/lineart_cpp_bridge.cc
 
   intern/lineart/MOD_lineart.h
   intern/lineart/lineart_intern.h
diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cpp b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cc
similarity index 88%
rename from source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cpp
rename to source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cc
index 06961bfdb40..174399618a5 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cpp
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpp_bridge.cc
@@ -1,3 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup modifiers
+ */
+
 #include "BLI_sort.hh"
 #include "BLI_vector.hh"
 #include "MOD_lineart.h"