diff --git a/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/actions/OpenAction.java b/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/actions/OpenAction.java
index 50a0102..2fcfe73 100644
--- a/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/actions/OpenAction.java
+++ b/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/actions/OpenAction.java
@@ -30,8 +30,8 @@
 
 			JFileChooser fc = new JFileChooser(wd);
 
-			FileFilter model = new FileNameExtensionFilter("model",".model");
-			FileFilter dtram = new FileNameExtensionFilter("dtram", ".dtram");
+			FileFilter model = new FileNameExtensionFilter("model","model");
+			FileFilter dtram = new FileNameExtensionFilter("dtram", "dtram");
 			
 			// Adds file filter for supported file format
 			FileFilter defaultFilter = new FileFilter() {