diff --git a/pygeoapi/provider/csv_.py b/pygeoapi/provider/csv_.py
index 952a107..510be71 100644
--- a/pygeoapi/provider/csv_.py
+++ b/pygeoapi/provider/csv_.py
@@ -89,6 +89,7 @@ class CSVProvider(BaseProvider):
                     found = True
                     result = feature
                 feature_collection['features'].append(feature)
+                feature_collection['numberMatched'] = len(feature_collection['features'])
 
         if identifier is not None and not found:
             return None