diff --git a/lib/winston-postgresql.js b/lib/winston-postgresql.js
index 380bec4..cb4c1ba 100644
--- a/lib/winston-postgresql.js
+++ b/lib/winston-postgresql.js
@@ -12,13 +12,13 @@ var PostgreSQL = exports.PostgreSQL = winston.transports.PostgreSQL = function(o
 
     options = options || {};
 
-    if(options.connString || "" != "") {
+    if(options.connString) {
         this.connString = options.connString;
     } else {
         throw new Error("PostgreSQL transport requires \"connString\".");
     }
 
-    if(options.tableName || options.customSql || "" != "") {
+    if(options.tableName || options.customSql) {
         this.sql = options.tableName ? 
             "INSERT INTO " + options.tableName + " (level, msg, meta) values ($1, $2, $3)" :
             options.customSql;