diff --git a/xcodebuild-wrapper.sh b/xcodebuild-wrapper.sh
index 28edff5..56141cc 100755
--- a/xcodebuild-wrapper.sh
+++ b/xcodebuild-wrapper.sh
@@ -12,30 +12,32 @@
 IPHONESIM=iphonesim
 
 project_file=$1
-echo "Building $project_file..."
+echo "Building $project_file..." >&2
 commandline="xcodebuild -project $project_file -configuration Debug -sdk iphonesimulator "
-echo "The command will be:"
-echo "$commandline"
+echo "The command will be:" >&2
+echo "$commandline" >&2
 buildresult=`$commandline 2>&1`
 resultcode=$?
 if [ $resultcode -ne 0 ]; then
-    echo "Build failed."
-    echo "Build output:"
-    echo "$buildresult"
+    echo "Build failed." >&2
+    echo "Build output:" >&2
+    echo "$buildresult" >&2
     exit
 fi
 
 executable=`echo "$buildresult" | grep Touch | awk ' { print $NF } '`
-echo "This produced the executable:"
-echo $executable
+echo "This produced the executable:" >&2
+echo $executable >&2
 
 # find latest sdk
 
 latest=`$IPHONESIM showsdks 2>&1 | grep "(.\..)" | sed "s/.*(\(.\..\))$/\1/" | tail -n 1`
-echo "Latest SDK version seems to be $latest."
+echo "Latest SDK version seems to be $latest." >&2
 
 $IPHONESIM launch $executable $latest ipad &
 # Find the directory where this script sits:
 DIR="$( cd -P "$( dirname "$0" )" && pwd )"
 # ...and run the applescript.
-osascript $DIR/focusSimulator.applescript
+# The ugly construction here is so osascript doesn't produce any output. This
+# otherwise causes vim to switch to an empty buffer after completion.
+echo $( osascript $DIR/focusSimulator.applescript 2>&1 1> /dev/null ) > /dev/null