diff --git a/bin/pyspark b/bin/pyspark
index a70da5674e1c7f9691035e4377b369573929208c..ed6f8da73035a5176e1f184d42e1a113d725e92c 100755
--- a/bin/pyspark
+++ b/bin/pyspark
@@ -51,6 +51,7 @@ export PYSPARK_PYTHON
 export PYTHONPATH=$SPARK_HOME/python/:$PYTHONPATH
 
 # Load the PySpark shell.py script when ./pyspark is used interactively:
+export OLD_PYTHONSTARTUP=$PYTHONSTARTUP
 export PYTHONSTARTUP=$FWDIR/python/pyspark/shell.py
 
 if [ -n "$IPYTHON_OPTS" ]; then