diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index 67e364715f09..db39be465485 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -119,7 +119,7 @@
 #, utvideo ? null # Ut Video de/encoder
 , vid-stab ? null # Video stabilization
 #, vo-aacenc ? null # AAC encoder
-#, vo-amrwbenc ? null # AMR-WB encoder
+, vo-amrwbenc ? null # AMR-WB encoder
 , wavpack ? null # Wavpack encoder
 , x264 ? null # H.264/AVC encoder
 , x265 ? null # H.265/HEVC encoder
@@ -380,7 +380,7 @@ stdenv.mkDerivation rec {
     #(enableFeature (utvideo != null && gplLicensing) "libutvideo")
     (enableFeature (vid-stab != null && gplLicensing) "libvidstab") # Actual min. version 2.0
     #(enableFeature (vo-aacenc != null && version3Licensing) "libvo-aacenc")
-    #(enableFeature (vo-amrwbenc != null && version3Licensing) "libvo-amrwbenc")
+    (enableFeature (vo-amrwbenc != null && version3Licensing) "libvo-amrwbenc")
     (enableFeature (wavpack != null) "libwavpack")
     (enableFeature (x264 != null && gplLicensing) "libx264")
     (enableFeature (x265 != null && gplLicensing) "libx265")
@@ -405,7 +405,8 @@ stdenv.mkDerivation rec {
     libjack2 ladspaH lame libass libbluray libbs2b libcaca libdc1394 libmodplug
     libogg libopus libssh libtheora libvdpau libvorbis libvpx libwebp libX11
     libxcb libXv lzma openal openjpeg_1 libpulseaudio rtmpdump opencore-amr
-    samba SDL2 soxr speex vid-stab wavpack x264 x265 xavs xvidcore zeromq4 zlib
+    samba SDL2 soxr speex vid-stab vo-amrwbenc wavpack x264 x265 xavs xvidcore
+    zeromq4 zlib
   ] ++ optional openglExtlib libGLU_combined
     ++ optionals nonfreeLicensing [ fdk_aac openssl ]
     ++ optional ((isLinux || isFreeBSD) && libva != null) libva