diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9a0d68..afc9d2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Twitch Downloader change log
 ============================
 
+1.17.0 (TBA)
+------------
+
+* Fix speed calculation when resuming download (#75, thanks CroquetteTheThe)
+
 1.16.1 (2021-07-31)
 -------------------
 
diff --git a/twitchdl/download.py b/twitchdl/download.py
index c5c8365..49552b4 100644
--- a/twitchdl/download.py
+++ b/twitchdl/download.py
@@ -34,11 +34,13 @@ def _download(url, path):
 
 def download_file(url, path, retries=RETRY_COUNT):
     if os.path.exists(path):
-        return os.path.getsize(path)
+        from_disk = True
+        return (os.path.getsize(path), from_disk)
 
+    from_disk = False
     for _ in range(retries):
         try:
-            return _download(url, path)
+            return (_download(url, path), from_disk)
         except RequestException:
             pass
 
@@ -51,17 +53,26 @@ def _print_progress(futures):
     max_msg_size = 0
     start_time = datetime.now()
     total_count = len(futures)
+    current_download_size = 0
+    current_downloaded_count = 0
 
     for future in as_completed(futures):
-        size = future.result()
+        size, from_disk = future.result()
         downloaded_count += 1
         downloaded_size += size
 
+        # If we find something on disk, we don't want to take it in account in
+        # the speed calculation
+        if not from_disk:
+            current_download_size += size
+            current_downloaded_count += 1
+
         percentage = 100 * downloaded_count // total_count
         est_total_size = int(total_count * downloaded_size / downloaded_count)
         duration = (datetime.now() - start_time).seconds
-        speed = downloaded_size // duration if duration else 0
-        remaining = (total_count - downloaded_count) * duration / downloaded_count
+        speed = current_download_size // duration if duration else 0
+        remaining = (total_count - downloaded_count) * duration / current_downloaded_count \
+            if current_downloaded_count else 0
 
         msg = " ".join([
             "Downloaded VOD {}/{}".format(downloaded_count, total_count),
@@ -69,7 +80,7 @@ def _print_progress(futures):
             "<cyan>{}</cyan>".format(format_size(downloaded_size)),
             "of <cyan>~{}</cyan>".format(format_size(est_total_size)),
             "at <cyan>{}/s</cyan>".format(format_size(speed)) if speed > 0 else "",
-            "remaining <cyan>~{}</cyan>".format(format_duration(remaining)) if speed > 0 else "",
+            "remaining <cyan>~{}</cyan>".format(format_duration(remaining)) if remaining > 0 else "",
         ])
 
         max_msg_size = max(len(msg), max_msg_size)