diff --git a/pkgs/development/mobile/titaniumenv/build-app.nix b/pkgs/development/mobile/titaniumenv/build-app.nix
index 620b6f994a2..068a9acedda 100644
--- a/pkgs/development/mobile/titaniumenv/build-app.nix
+++ b/pkgs/development/mobile/titaniumenv/build-app.nix
@@ -24,8 +24,6 @@ stdenv.mkDerivation {
   
   buildInputs = [ jdk ] ++ stdenv.lib.optional (stdenv.system == "x86_64-darwin") xcodewrapper;
   
-  JAVA_HOME = jdk;
-
   buildPhase = ''
     export HOME=$TMPDIR
 
diff --git a/pkgs/development/mobile/titaniumenv/titaniumsdk.nix b/pkgs/development/mobile/titaniumenv/titaniumsdk.nix
index 520e93c828b..abf06a00fc9 100644
--- a/pkgs/development/mobile/titaniumenv/titaniumsdk.nix
+++ b/pkgs/development/mobile/titaniumenv/titaniumsdk.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation {
     import os, sys
     
     os.environ['PYTHONPATH'] = '$(echo ${python.modules.sqlite3}/lib/python*/site-packages)'
-    os.environ['JAVA_HOME'] = '${jdk}'
+    os.environ['JAVA_HOME'] = '${if stdenv.system == "x86_64-darwin" then jdk else "${jdk}/lib/openjdk"}'
     
     os.execv('$(pwd)/.builder.py', sys.argv)
     EOF