diff --git a/docker/local/Dockerfile b/docker/local/Dockerfile
index a5ce5ac0f..56f3dc295 100644
--- a/docker/local/Dockerfile
+++ b/docker/local/Dockerfile
@@ -24,6 +24,7 @@ RUN apt-get update \
 		libqpdf-dev \
 		libxml2 \
 		libxslt1-dev \
+		mime-support \
 		optipng \
 		pngquant \
 		qpdf \
diff --git a/src/documents/management/commands/document_consumer.py b/src/documents/management/commands/document_consumer.py
index 8ac60aa6d..d0c045db2 100644
--- a/src/documents/management/commands/document_consumer.py
+++ b/src/documents/management/commands/document_consumer.py
@@ -46,7 +46,7 @@ def _consume(filepath):
         return
 
     if not is_file_ext_supported(os.path.splitext(filepath)[1]):
-        logger.debug(
+        logger.warning(
             f"Not consuming file {filepath}: Unknown file extension.")
         return