diff --git a/src_tenwa/com/tenwa/lease/flow/project/businessapply/GpsVendorCheck.java b/src_tenwa/com/tenwa/lease/flow/project/businessapply/GpsVendorCheck.java
index 81965ecf5..660fb9034 100644
--- a/src_tenwa/com/tenwa/lease/flow/project/businessapply/GpsVendorCheck.java
+++ b/src_tenwa/com/tenwa/lease/flow/project/businessapply/GpsVendorCheck.java
@@ -21,6 +21,9 @@ public class GpsVendorCheck {
 
 	public String getGpsVendor(JBOTransaction tx) throws Exception{
 		Transaction Sqlca = Transaction.createTransaction(tx);
-		return Sqlca.getString("select GPS_VENDOR from prd_specific_library where PRODUCTID = '"+productId+"'");
+		String gpsVendor = Sqlca.getString("select GPS_VENDOR from prd_specific_library where PRODUCTID = '"+productId+"'");
+		if("".equals(gpsVendor))
+			gpsVendor="null";
+		return gpsVendor;
 	}
 }