diff --git a/pkgs/applications/audio/minimodem/default.nix b/pkgs/applications/audio/minimodem/default.nix
index af4e887d167..025d216910e 100644
--- a/pkgs/applications/audio/minimodem/default.nix
+++ b/pkgs/applications/audio/minimodem/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, fftw, fftwSinglePrec, alsaLib, libsndfile, linbpulseaudio }:
+{ stdenv, fetchurl, pkgconfig, fftw, fftwSinglePrec, alsaLib, libsndfile, libpulseaudio }:
 
 stdenv.mkDerivation rec {
   version = "0.19";
diff --git a/pkgs/desktops/gnome-3/3.16/core/rest/default.nix b/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
index 101dbb8cc48..9dbd46946c0 100644
--- a/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
+++ b/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobjectIntrospection, cacerts }:
+{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobjectIntrospection, cacert }:
 
 stdenv.mkDerivation rec {
   name = "rest-0.7.92";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ pkgconfig glib libsoup gobjectIntrospection];
 
-  configureFlags = "--with-ca-certificates=${cacerts}/ca-bundle.crt";
+  configureFlags = "--with-ca-certificates=${cacert}/ca-bundle.crt";
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
diff --git a/pkgs/servers/mail/opensmtpd/default.nix b/pkgs/servers/mail/opensmtpd/default.nix
index a22da36d2b6..ab8ec59ca8c 100644
--- a/pkgs/servers/mail/opensmtpd/default.nix
+++ b/pkgs/servers/mail/opensmtpd/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, autoconf, automake, libtool, bison
-, libasr, libevent, zlib, openssl, db, pam
+, libasr, libevent, zlib, openssl, db, pam, cacert
 }:
 
 stdenv.mkDerivation rec {