diff --git a/csst_common/pipeline.py b/csst_common/pipeline.py
index 0b5b5e1fd9f6d6f7aa6be28de3372c2a01e7b33d..43e8abdc1c90cdd8236274f13e47f085641fbbb6 100644
--- a/csst_common/pipeline.py
+++ b/csst_common/pipeline.py
@@ -248,7 +248,11 @@ class Pipeline:
         """Convert `file_path` to absolute path for DFS."""
         dfs_recs_abs = copy.deepcopy(dfs_rec_list)
         for rec in dfs_recs_abs:
-            rec["file_path"] = os.path.join(self.dfs_root, rec["file_path"])
+            rec["file_path"] = (
+                os.path.join(self.dfs_root, rec["file_path"])
+                if rec["file_path"].__contains__(":")
+                else rec["file_path"]
+            )
         return dfs_recs_abs
 
     def convert_to_abspath_for_ccds_refs(self, ccds_refs: dict) -> dict:
@@ -257,7 +261,11 @@ class Pipeline:
         print(ccds_refs_abs)
         for ref_name, ref_path in ccds_refs_abs["refs"].items():
             print(ref_name, ref_path)
-            ccds_refs_abs["refs"][ref_name] = os.path.join(self.ccds_root, ref_path)
+            ccds_refs_abs["refs"][ref_name] = (
+                os.path.join(self.ccds_root, ref_path)
+                if ref_path["file_path"].__contains__(":")
+                else ref_path
+            )
         print(ccds_refs_abs)
         return ccds_refs_abs