diff --git a/src/paperless_tesseract/parsers.py b/src/paperless_tesseract/parsers.py
index 9cce09eeb..09086585e 100644
--- a/src/paperless_tesseract/parsers.py
+++ b/src/paperless_tesseract/parsers.py
@@ -55,7 +55,7 @@ class RasterisedDocumentParser(DocumentParser):
                 value = str(value)
                 try:
                     m = namespace_pattern.match(key)
-                    if m is None:
+                    if m is None:  # pragma: no cover
                         continue
                     namespace = m.group(1)
                     key_value = m.group(2)