diff --git a/pkgs/applications/networking/instant-messengers/pidgin/default.nix b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
index b66680a147bb..cd27f42e221d 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
@@ -12,7 +12,7 @@
  */
 { stdenv, fetchurl, pkgconfig, gtk, gtkspell, aspell,
   GStreamer, startupnotification, gettext,
-  perl, perlXMLParser, libxml2, nss,
+  perl, perlXMLParser, libxml2, nss, nspr,
   libXScrnSaver, ncurses, avahi, dbus, dbus_glib, intltool
   , lib
   , openssl ? null
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
   ++ (lib.optional (openssl != null) openssl)
   ++ (lib.optional (gnutls != null) gnutls)
   ++
-  [nss
+  [nss nspr
     libXScrnSaver ncurses
     avahi dbus dbus_glib intltool
   ]
@@ -44,7 +44,7 @@ stdenv.mkDerivation {
     pkgconfig gtk perl perlXMLParser gettext
   ];
 
-  configureFlags="--with-nspr-includes=${nss}/include/nspr --with-nspr-libs=${nss}/lib --with-nss-includes=${nss}/include/nss --with-nss-libs=${nss}/lib --with-ncurses-headers=${ncurses}/include --disable-meanwhile --disable-nm --disable-tcl"
+  configureFlags="--with-nspr-includes=${nspr}/include/nspr --with-nspr-libs=${nspr}/lib --with-nss-includes=${nss}/include/nss --with-nss-libs=${nss}/lib --with-ncurses-headers=${ncurses}/include --disable-meanwhile --disable-nm --disable-tcl"
   + (lib.optionalString (gnutls != null) " --enable-gnutls=yes --enable-nss=no")
   ;
   meta = {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1dd2f803065f..f3ef680b94a5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6795,7 +6795,7 @@ let
   };
 
   pidgin = import ../applications/networking/instant-messengers/pidgin {
-    inherit fetchurl stdenv pkgconfig perl perlXMLParser libxml2 nss
+    inherit fetchurl stdenv pkgconfig perl perlXMLParser libxml2 nss nspr
       gtkspell aspell gettext ncurses avahi dbus dbus_glib lib intltool;
     openssl = if (getConfig ["pidgin" "openssl"] true) then openssl else null;
     gnutls = if (getConfig ["pidgin" "gnutls"] false) then gnutls else null;