diff --git a/index.js b/index.js
index 7e914ba..89717dc 100644
--- a/index.js
+++ b/index.js
@@ -58,7 +58,7 @@ function parse(str) {
     config.ssl = true;
   }
 
-  if (config.ssl === '0') {
+  if (config.ssl === 'false' || config.ssl === '0') {
     config.ssl = false;
   }
 
diff --git a/test/parse.js b/test/parse.js
index 07f886e..5fbe84d 100644
--- a/test/parse.js
+++ b/test/parse.js
@@ -180,6 +180,12 @@ describe('parse', function(){
     var subject = parse(connectionString);
     subject.ssl.should.equal(true);
   });
+  
+  it('configuration parameter ssl=false', function(){
+    var connectionString = 'pg:///?ssl=false';
+    var subject = parse(connectionString);
+    subject.ssl.should.equal(false);
+  });
 
   it('configuration parameter ssl=1', function(){
     var connectionString = 'pg:///?ssl=1';