diff --git a/backend/pashub_fetcher/core_files.py b/backend/pashub_fetcher/core_files.py
index 1ee3046b..1717c108 100644
--- a/backend/pashub_fetcher/core_files.py
+++ b/backend/pashub_fetcher/core_files.py
@@ -40,6 +40,9 @@ _CORE_FILE_TO_FILE_TYPE: dict[CoreFiles, str] = {
 def get_core_file_type(
     filename: str, evidence_category: Optional[str] = None
 ) -> Optional[CoreFiles]:
+    if evidence_category is not None and evidence_category.lower() == "mcs compliance certificate":
+        return CoreFiles.MCS_CERTIFICATE
+
     # Identify retrofit design doc using evidence category as the name is possibly unreliable.
     # We might change to always use evidence category, but needs more investigation
     if evidence_category is not None and evidence_category.lower() == "retrofit design":
@@ -74,7 +77,7 @@ def get_core_file_type(
 def get_file_type_string(
     filename: str, evidence_category: Optional[str] = None
 ) -> Optional[str]:
-    core_file: Optional[CoreFiles] = get_core_file_type(filename)
+    core_file: Optional[CoreFiles] = get_core_file_type(filename, evidence_category)
 
     if core_file is None:
         return None