diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a55546eae..5667e20f73 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## Unreleased
+
 ## 1.15.1 - 2020-10-11
 ### Additions
 - [hentaicafe] add `manga_id` metadata field ([#1036](https://github.com/mikf/gallery-dl/issues/1036))
diff --git a/gallery_dl/extractor/newgrounds.py b/gallery_dl/extractor/newgrounds.py
index f9dc8863b5..8d0d7d51fc 100644
--- a/gallery_dl/extractor/newgrounds.py
+++ b/gallery_dl/extractor/newgrounds.py
@@ -49,8 +49,8 @@ def items(self):
                         post["_comment"], 'data-smartload-src="', '"'), 1):
                     post["num"] = num
                     post["_index"] = "{}_{:>02}".format(post["index"], num)
-                    text.nameext_from_url(url, post)
-                    yield Message.Url, url, post
+                    url = text.ensure_http_scheme(url)
+                    yield Message.Url, url, text.nameext_from_url(url, post)
             else:
                 self.log.warning(
                     "Unable to get download URL for '%s'", post_url)
diff --git a/gallery_dl/version.py b/gallery_dl/version.py
index 81976c2af1..efd11bd098 100644
--- a/gallery_dl/version.py
+++ b/gallery_dl/version.py
@@ -6,4 +6,4 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.15.1"
+__version__ = "1.15.2-dev"