diff --git a/scripts/build_facebook_ios_sdk_static_lib.sh b/scripts/build_facebook_ios_sdk_static_lib.sh
index 89e0907cd4..017c54fafc 100755
--- a/scripts/build_facebook_ios_sdk_static_lib.sh
+++ b/scripts/build_facebook_ios_sdk_static_lib.sh
@@ -19,8 +19,15 @@ die() {
 }
 
 # The Xcode bin path
-XCODEBUILD_PATH=/Developer/usr/bin
+if [ -d "/Developer/usr/bin" ]; then
+   # < XCode 4.3.1
+  XCODEBUILD_PATH=/Developer/usr/bin
+else
+  # >= XCode 4.3.1, or from App store
+  XCODEBUILD_PATH=/Applications/XCode.app/Contents/Developer/usr/bin
+fi
 XCODEBUILD=$XCODEBUILD_PATH/xcodebuild
+test -x "$XCODEBUILD" || die "Could not find xcodebuild in $XCODEBUILD_PATH"
 
 # Get the script path and set the relative directories used
 # for compilation