diff --git a/src/java/org/apache/sqoop/mapreduce/postgresql/PostgreSQLCopyExportJob.java b/src/java/org/apache/sqoop/mapreduce/postgresql/PostgreSQLCopyExportJob.java
index 13f3b6d1..3ae0a59b 100644
--- a/src/java/org/apache/sqoop/mapreduce/postgresql/PostgreSQLCopyExportJob.java
+++ b/src/java/org/apache/sqoop/mapreduce/postgresql/PostgreSQLCopyExportJob.java
@@ -97,7 +97,7 @@ protected void propagateOptionsToJob(Job job) {
     Configuration conf = job.getConfiguration();
 
     /* empty string needs to be passed as a flag */
-    if (opts.getNullStringValue().equals("")) {
+    if ("".equals(opts.getNullStringValue())) {
        conf.set("postgresql.null.emptystring","true");
     }