diff --git a/pkgs/applications/audio/faust/faust2jack.nix b/pkgs/applications/audio/faust/faust2jack.nix
index 370c25ecd74..0f703704961 100644
--- a/pkgs/applications/audio/faust/faust2jack.nix
+++ b/pkgs/applications/audio/faust/faust2jack.nix
@@ -4,6 +4,7 @@
 , alsaLib
 , opencv2
 , libsndfile
+, which
 }:
 
 faust.wrapWithBuildEnv {
@@ -21,6 +22,7 @@ faust.wrapWithBuildEnv {
     alsaLib
     opencv2
     libsndfile
+    which
   ];
 
 }
diff --git a/pkgs/applications/audio/faust/faust2jaqt.nix b/pkgs/applications/audio/faust/faust2jaqt.nix
index a2f1c2139a1..753208c54c2 100644
--- a/pkgs/applications/audio/faust/faust2jaqt.nix
+++ b/pkgs/applications/audio/faust/faust2jaqt.nix
@@ -3,6 +3,7 @@
 , opencv2
 , qt4
 , libsndfile
+, alsaLib
 , which
 }:
 
@@ -20,6 +21,7 @@ faust.wrapWithBuildEnv {
     opencv2
     qt4
     libsndfile
+    alsaLib
     which
   ];