diff --git a/pkgs/applications/misc/sc-im/default.nix b/pkgs/applications/misc/sc-im/default.nix
index cb18278d1ed4..75d08ec81883 100644
--- a/pkgs/applications/misc/sc-im/default.nix
+++ b/pkgs/applications/misc/sc-im/default.nix
@@ -1,26 +1,23 @@
-{ stdenv, fetchFromGitHub, yacc, ncurses, libxml2 }:
+{ stdenv, fetchFromGitHub, yacc, ncurses, libxml2, pkgconfig }:
 
-let
-  version = "0.2.1";
-in
 stdenv.mkDerivation rec {
-
+  version = "0.4.0";
   name = "sc-im-${version}";
 
   src = fetchFromGitHub {
     owner = "andmarti1424";
     repo = "sc-im";
     rev = "v${version}";
-    sha256 = "0v6b8xksvd12vmz198vik2ranyr5mhnp85hl9yxh9svibs7jxsbb";
+    sha256 = "1v1cfmfqs5997bqlirp6p7smc3qrinq8dvsi33sk09r33zkzyar0";
   };
 
-  buildInputs = [ yacc ncurses libxml2 ];
+  buildInputs = [ yacc ncurses libxml2 pkgconfig ];
 
   buildPhase = ''
     cd src
 
-    sed "s,prefix=/usr,prefix=$out," Makefile
-    sed "s,-I/usr/include/libxml2,-I$libxml2," Makefile
+    sed -i "s,prefix=/usr,prefix=$out," Makefile
+    sed -i "s,-I/usr/include/libxml2,-I$libxml2," Makefile
 
     make
     export DESTDIR=$out