diff --git a/prismedia/upload.py b/prismedia/upload.py
index c7dc4c3..a1feb4d 100755
--- a/prismedia/upload.py
+++ b/prismedia/upload.py
@@ -12,7 +12,7 @@ Usage:
   prismedia --version
 
 Options:
-  -f, --file=STRING Path to the video file to upload in mp4. This is the only mandatory option.
+  -f, --file=STRING Path to the video file to upload. This is the only mandatory option.
   --name=NAME  Name of the video to upload. (default to video filename)
   -d, --description=STRING  Description of the video. (default: default description)
   -t, --tags=STRING  Tags for the video. comma separated.
@@ -40,8 +40,7 @@ Options:
                         DATE should be in the past
   --auto-originalDate     Automatically use the file modification time as original date
   --thumbnail=STRING    Path to a file to use as a thumbnail for the video.
-                        Supported types are jpg and jpeg.
-                        By default, prismedia search for an image based on video name followed by .jpg or .jpeg
+                        By default, prismedia search for an image based on video name followed by .jpg, .jpeg or .png
   --channel=STRING Set the channel to use for the video (Peertube only)
                     If the channel is not found, spawn an error except if --channelCreate is set.
   --channelCreate  Create the channel if not exists. (Peertube only, default do not create)
diff --git a/prismedia/utils.py b/prismedia/utils.py
index 9cb87c2..817af5f 100644
--- a/prismedia/utils.py
+++ b/prismedia/utils.py
@@ -126,6 +126,8 @@ def searchThumbnail(options):
             options['--thumbnail'] = video_directory + options.get('--name') + ".jpg"
         elif isfile(video_directory + options.get('--name') + ".jpeg"):
             options['--thumbnail'] = video_directory + options.get('--name') + ".jpeg"
+        elif isfile(video_directory + options.get('--name') + ".png"):
+            options['--thumbnail'] = video_directory + options.get('--name') + ".png"
     # Then, if we still not have thumbnail, check for thumbnail based on videofile name
     if not options.get('--thumbnail'):
         video_file = splitext(basename(options.get('--file')))[0]
@@ -133,6 +135,8 @@ def searchThumbnail(options):
             options['--thumbnail'] = video_directory + video_file + ".jpg"
         elif isfile(video_directory + video_file + ".jpeg"):
             options['--thumbnail'] = video_directory + video_file + ".jpeg"
+        elif isfile(video_directory + video_file + ".png"):
+            options['--thumbnail'] = video_directory + video_file + ".png"
 
     # Display some info after research
     if not options.get('--thumbnail'):