diff --git a/src/microcosm/__init__.py b/src/microcosm/__init__.py
index 30997dd..2246ce2 100644
--- a/src/microcosm/__init__.py
+++ b/src/microcosm/__init__.py
@@ -346,8 +346,9 @@ def process_multipart_post():
 
                 if "mp-photo-alt[]" in request.form:
                     try:
-                        alt = request.form["mp-photo-alt[]"][i]
+                        alt = request.form.getlist('mp-photo-alt[]')[i]
                     except:
+                        print(f"No alt text specified for image {i}")
                         alt = ""
                 else:
                     alt = ""