diff --git a/pkgs/by-name/co/codec2/package.nix b/pkgs/by-name/co/codec2/package.nix
index b7f5c94fbe52..a158cf390cfb 100644
--- a/pkgs/by-name/co/codec2/package.nix
+++ b/pkgs/by-name/co/codec2/package.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   postInstall = ''
-    install -Dm0755 src/{c2enc,c2sim,freedv_rx,freedv_tx,cohpsk_*,fdmdv_*,fsk_*,ldpc_*,ofdm_*} -t $out/bin/
+    install -Dm0755 src/{c2enc,c2dec,c2sim,freedv_rx,freedv_tx,cohpsk_*,fdmdv_*,fsk_*,ldpc_*,ofdm_*} -t $out/bin/
   '';
 
   postFixup =