diff --git a/ogc/bblocks/postprocess.py b/ogc/bblocks/postprocess.py
index 9ea25f7..dcfdf59 100644
--- a/ogc/bblocks/postprocess.py
+++ b/ogc/bblocks/postprocess.py
@@ -130,6 +130,12 @@ def do_postprocess(bblock: BuildingBlock, light: bool = False) -> bool:
             bblock.metadata['ldContext'] = PathOrUrl(bblock.jsonld_context).with_base_url(
                 base_url, cwd if base_url else output_file_root
             )
+        elif bblock.metadata.get('ldContext') and not is_url(bblock.metadata['ldContext']):
+            # Unprocessed JSON-LD context instead of generated from annotations
+            ld_context_path = bblock.files_path / bblock.metadata['ldContext']
+            bblock.metadata['ldContext'] = PathOrUrl(ld_context_path).with_base_url(
+                base_url, cwd if base_url else output_file_root
+            )
         if bblock.output_openapi.is_file():
             bblock.metadata['sourceOpenAPIDocument'] = bblock.openapi.with_base_url(
                 base_url, cwd if base_url else output_file_root