diff --git a/pyglet/media/codecs/ffmpeg_lib/libavcodec.py b/pyglet/media/codecs/ffmpeg_lib/libavcodec.py
index 222726bc..c1a4d3ad 100644
--- a/pyglet/media/codecs/ffmpeg_lib/libavcodec.py
+++ b/pyglet/media/codecs/ffmpeg_lib/libavcodec.py
@@ -48,7 +48,7 @@ from . import libavutil
 _debug = debug_print('debug_media')
 
 avcodec = pyglet.lib.load_library(
-    'avcodec',
+    'libavcodec.so.58',
     win32=('avcodec-59', 'avcodec-58'),
     darwin=('avcodec.59', 'avcodec.58')
 )
diff --git a/pyglet/media/codecs/ffmpeg_lib/libavformat.py b/pyglet/media/codecs/ffmpeg_lib/libavformat.py
index 82f5bf00..a56e6630 100644
--- a/pyglet/media/codecs/ffmpeg_lib/libavformat.py
+++ b/pyglet/media/codecs/ffmpeg_lib/libavformat.py
@@ -47,7 +47,7 @@ from . import libavutil
 _debug = debug_print('debug_media')
 
 avformat = pyglet.lib.load_library(
-    'avformat',
+    'libavformat.so.58',
     win32=('avformat-59', 'avformat-58'),
     darwin=('avformat.59', 'avformat.58')
 )
diff --git a/pyglet/media/codecs/ffmpeg_lib/libavutil.py b/pyglet/media/codecs/ffmpeg_lib/libavutil.py
index 77e2e7c7..6192bd1d 100644
--- a/pyglet/media/codecs/ffmpeg_lib/libavutil.py
+++ b/pyglet/media/codecs/ffmpeg_lib/libavutil.py
@@ -45,7 +45,7 @@ from . import compat
 _debug = debug_print('debug_media')
 
 avutil = pyglet.lib.load_library(
-    'avutil',
+    'libavutil.so.56',
     win32=('avutil-57', 'avutil-56'),
     darwin=('avutil.57', 'avutil-56')
 )
diff --git a/pyglet/media/codecs/ffmpeg_lib/libswresample.py b/pyglet/media/codecs/ffmpeg_lib/libswresample.py
index e44200d9..5120c009 100644
--- a/pyglet/media/codecs/ffmpeg_lib/libswresample.py
+++ b/pyglet/media/codecs/ffmpeg_lib/libswresample.py
@@ -45,7 +45,7 @@ from . import compat
 _debug = debug_print('debug_media')
 
 swresample = pyglet.lib.load_library(
-    'swresample',
+    'libswresample.so.3',
     win32=('swresample-4', 'swresample-3'),
     darwin=('swresample.4', 'swresample.3')
 )
diff --git a/pyglet/media/codecs/ffmpeg_lib/libswscale.py b/pyglet/media/codecs/ffmpeg_lib/libswscale.py
index 6ddf8844..5bec09c6 100644
--- a/pyglet/media/codecs/ffmpeg_lib/libswscale.py
+++ b/pyglet/media/codecs/ffmpeg_lib/libswscale.py
@@ -46,7 +46,7 @@ _debug = debug_print('debug_media')
 
 
 swscale = pyglet.lib.load_library(
-    'swscale',
+    'libswscale.so.5',
     win32=('swscale-6', 'swscale-5'),
     darwin=('swscale.6', 'swscale.5')
 )