diff --git a/app/views/contests/offline_edit.html.slim b/app/views/contests/offline_edit.html.slim
index 2bae352..d1adfec 100644
--- a/app/views/contests/offline_edit.html.slim
+++ b/app/views/contests/offline_edit.html.slim
@@ -21,7 +21,7 @@
     .col
       .form-text.mb-1
         = t("offlines.form.end_image_select")
-      = form.file_field :end_image, accept: "image/*", class: "form-control"
+      = form.file_field :end_image, accept: "image/*", class: "form-control", capture: "user"
       .form-text.error-message style="display: none;" id="image-error-message"
         = t("puzzles.form.file_too_big")
       javascript:
diff --git a/app/views/contests/offline_new.html.slim b/app/views/contests/offline_new.html.slim
index 07c3b83..81d877d 100644
--- a/app/views/contests/offline_new.html.slim
+++ b/app/views/contests/offline_new.html.slim
@@ -8,7 +8,7 @@
     .col
       .form-text.mb-1
         = t("offlines.form.start_image_select")
-      = form.file_field :images, accept: "image/*", class: "form-control"
+      = form.file_field :images, accept: "image/*", class: "form-control", capture: "user"
       .form-text.error-message style="display: none;" id="image-error-message"
         = t("puzzles.form.file_too_big")
       javascript: