diff --git a/bin/create b/bin/create
index 688b5fd0..a12a715e 100755
--- a/bin/create
+++ b/bin/create
@@ -63,6 +63,19 @@ function on_error {
     [ -d $PROJECT_PATH ] && rm -rf $PROJECT_PATH
 }
 
+function replace {
+    local pattern=$1  
+    local filename=$2
+    # Mac OS X requires -i argument
+    if [ $OSTYPE = 'darwin11' ]
+    then
+        sed -i '' -e $pattern $filename
+    elif [ $OSTYPE = 'linux-gnu' ]
+    then
+        sed -i -e $pattern $filename
+    fi
+}
+
 # we do not want the script to silently fail
 trap on_error ERR
 trap on_exit EXIT
@@ -116,12 +129,12 @@ fi
 
 # interpolate the activity name and package
 cp $BUILD_PATH/bin/templates/project/Activity.java $ACTIVITY_PATH
-sed -i '' -e "s/__ACTIVITY__/${ACTIVITY}/g" $ACTIVITY_PATH
-sed -i '' -e "s/__ID__/${PACKAGE}/g" $ACTIVITY_PATH
+replace "s/__ACTIVITY__/${ACTIVITY}/g" $ACTIVITY_PATH
+replace "s/__ID__/${PACKAGE}/g" $ACTIVITY_PATH
 
 cp $BUILD_PATH/bin/templates/project/AndroidManifest.xml $MANIFEST_PATH
-sed -i '' -e "s/__ACTIVITY__/${ACTIVITY}/g" $MANIFEST_PATH
-sed -i '' -e "s/__PACKAGE__/${PACKAGE}/g" $MANIFEST_PATH
+replace "s/__ACTIVITY__/${ACTIVITY}/g" $MANIFEST_PATH
+replace "s/__PACKAGE__/${PACKAGE}/g" $MANIFEST_PATH
 
 # creating cordova folder and copying emulate/debug/log/launch scripts
 mkdir $PROJECT_PATH/cordova