diff --git a/pythonforandroid/bootstraps/common/build/jni/application/src/start.c b/pythonforandroid/bootstraps/common/build/jni/application/src/start.c
index f57098069f..ce5a9caae1 100644
--- a/pythonforandroid/bootstraps/common/build/jni/application/src/start.c
+++ b/pythonforandroid/bootstraps/common/build/jni/application/src/start.c
@@ -226,13 +226,13 @@ int main(int argc, char *argv[]) {
   PyRun_SimpleString(
       "class LogFile(object):\n"
       "    def __init__(self):\n"
-      "        self.buffer = ''\n"
+      "        self.__buffer = ''\n"
       "    def write(self, s):\n"
-      "        s = self.buffer + s\n"
+      "        s = self.__buffer + s\n"
       "        lines = s.split(\"\\n\")\n"
       "        for l in lines[:-1]:\n"
       "            androidembed.log(l)\n"
-      "        self.buffer = lines[-1]\n"
+      "        self.__buffer = lines[-1]\n"
       "    def flush(self):\n"
       "        return\n"
       "sys.stdout = sys.stderr = LogFile()\n"