diff --git a/httpbin/helpers.py b/httpbin/helpers.py
index 6fc6281..f459c30 100644
--- a/httpbin/helpers.py
+++ b/httpbin/helpers.py
@@ -90,7 +90,13 @@ def get_files():
     files = dict()
 
     for k, v in request.files.items():
-        files[k] = json_safe(v.read(), request.files[k].content_type)
+        val = json_safe(v.read(), request.files[k].content_type)
+        if files.get(k):
+            if not isinstance(files[k], list):
+                files[k] = [files[k]]
+            files[k].append(val)
+        else:
+            files[k] = val
 
     return files