diff --git a/content.py b/content.py
index f4b5efe60..b4b08cb02 100644
--- a/content.py
+++ b/content.py
@@ -1359,6 +1359,16 @@ def extract_media_in_form_post(post_bytes, boundary, name: str):
     return media_bytes, post_bytes[:image_start_location] + remainder
 
 
+def _valid_follows_csv(content: str) -> bool:
+    """is the given content a valid csv file containing imported follows?
+    """
+    if ',' not in content:
+        return False
+    if 'Account address,' not in content:
+        return False
+    return True
+
+
 def save_media_in_form_post(media_bytes, debug: bool,
                             filename_base: str = None) -> (str, str):
     """Saves the given media bytes extracted from http form POST
@@ -1396,7 +1406,7 @@ def save_media_in_form_post(media_bytes, debug: bool,
     filename = None
 
     # directly search the binary array for the beginning
-    # of an image
+    # of an image, zip or csv
     extension_list = {
         'png': 'image/png',
         'jpeg': 'image/jpeg',
@@ -1472,7 +1482,7 @@ def save_media_in_form_post(media_bytes, debug: bool,
     elif detected_extension == 'csv':
         csv_str = media_bytes[start_pos:]
         csv_str = svg_str.decode()
-        if ',' not in csv_str:
+        if not _valid_follows_csv(csv_str):
             return None, None
 
     try: