diff --git a/pkgs/development/compilers/jdk/jdk7-linux.nix b/pkgs/development/compilers/jdk/jdk7-linux.nix
index 42a84fb16ab..a7a5eccee9d 100644
--- a/pkgs/development/compilers/jdk/jdk7-linux.nix
+++ b/pkgs/development/compilers/jdk/jdk7-linux.nix
@@ -1,6 +1,7 @@
 { swingSupport ? true
 , stdenv
 , requireFile
+, unzip
 , xlibs ? null
 , installjdk ? true
 , pluginSupport ? true
@@ -54,6 +55,8 @@ stdenv.mkDerivation {
     else
       abort "jdk requires i686-linux or x86_64 linux";
 
+  buildInputs = if installjce then [ unzip ] else [];
+
   installPhase = ''
     cd ..
     if test -z "$installjdk"; then