diff --git a/sbom/sbom/spdx_graph/kernel_file.py b/sbom/sbom/spdx_graph/kernel_file.py
index 487bb99..505f25f 100644
--- a/sbom/sbom/spdx_graph/kernel_file.py
+++ b/sbom/sbom/spdx_graph/kernel_file.py
@@ -245,7 +245,7 @@ def includes_path_segments(path_segments: list[str]) -> bool:
         return any(segment in absolute_path for segment in path_segments)
 
     # Source code
-    if ends_with([".c", ".h", ".S", ".s", ".rs", ".pl", "gen_smb2_mapping"]):
+    if ends_with([".c", ".h", ".S", ".s", ".rs", ".pl", "gen_smb1_mapping", "gen_smb2_mapping"]):
         return "source"
 
     # Libraries