diff --git a/source/blender/blenlib/BLI_kdtree_impl.h b/source/blender/blenlib/BLI_kdtree_impl.h
index e442bd7a99d..c028266ef64 100644
--- a/source/blender/blenlib/BLI_kdtree_impl.h
+++ b/source/blender/blenlib/BLI_kdtree_impl.h
@@ -21,9 +21,9 @@
 
 #include "BLI_compiler_attrs.h"
 
-#define _CONCAT_AUX(MACRO_ARG1, MACRO_ARG2) MACRO_ARG1##MACRO_ARG2
-#define _CONCAT(MACRO_ARG1, MACRO_ARG2) _CONCAT_AUX(MACRO_ARG1, MACRO_ARG2)
-#define BLI_kdtree_nd_(id) _CONCAT(KDTREE_PREFIX_ID, _##id)
+#define _BLI_CONCAT_AUX(MACRO_ARG1, MACRO_ARG2) MACRO_ARG1##MACRO_ARG2
+#define _BLI_CONCAT(MACRO_ARG1, MACRO_ARG2) _BLI_CONCAT_AUX(MACRO_ARG1, MACRO_ARG2)
+#define BLI_kdtree_nd_(id) _BLI_CONCAT(KDTREE_PREFIX_ID, _##id)
 
 struct KDTree;
 typedef struct KDTree KDTree;
@@ -93,6 +93,6 @@ int BLI_kdtree_nd_(range_search_with_len_squared_cb)(
                        const void *user_data),
     const void *user_data) ATTR_NONNULL(1, 2) ATTR_WARN_UNUSED_RESULT;
 
-#undef _CONCAT_AUX
-#undef _CONCAT
+#undef _BLI_CONCAT_AUX
+#undef _BLI_CONCAT
 #undef BLI_kdtree_nd_