diff --git a/scripts/configure_firestorm.sh b/scripts/configure_firestorm.sh
index 28428f3be1..6e99f8ad36 100755
--- a/scripts/configure_firestorm.sh
+++ b/scripts/configure_firestorm.sh
@@ -406,10 +406,10 @@ if [ $WANTS_BUILD -eq $TRUE ] ; then
         else
             JOBS="-jobs $JOBS"
         fi
-        if [ $OSTYPE == "darwin11" -o $OSTYPE == "darwin12" ] ; then
-            xcodebuild -configuration $BTYPE -project Firestorm.xcodeproj $JOBS GCC_OPTIMIZATION_LEVEL=3 GCC_ENABLE_SSE3_EXTENSIONS=YES 2>&1 | tee -a $LOG
-        else
+		if [ $OSTYPE == darwin10 ] ; then
             xcodebuild -configuration $BTYPE -project Firestorm.xcodeproj GCC_VERSION=4.2 GCC_OPTIMIZATION_LEVEL=3 GCC_ENABLE_SSE3_EXTENSIONS=YES 2>&1 | tee -a $LOG
+        else
+			xcodebuild -configuration $BTYPE -project Firestorm.xcodeproj $JOBS GCC_OPTIMIZATION_LEVEL=3 GCC_ENABLE_SSE3_EXTENSIONS=YES 2>&1 | tee -a $LOG
         fi
     elif [ $PLATFORM == "linux32" -o $PLATFORM == "linux64" ] ; then
         if [ $JOBS == "0" ] ; then