diff --git a/src/share/classes/com/sun/java/swing/plaf/gtk/GTKFileChooserUI.java b/src/share/classes/com/sun/java/swing/plaf/gtk/GTKFileChooserUI.java
index ac12b2080b99c70206464365fd67b504954d6caa..0cff673711c9676494631f94dd00cbfcf768e562 100644
--- a/src/share/classes/com/sun/java/swing/plaf/gtk/GTKFileChooserUI.java
+++ b/src/share/classes/com/sun/java/swing/plaf/gtk/GTKFileChooserUI.java
@@ -174,8 +174,11 @@ class GTKFileChooserUI extends SynthFileChooserUI {
 
         // construct the resulting string
         for (int i=0; i<len; i++) {
+            if (i > 0) {
+                buf.append(" ");
+            }
             if (len > 1) {
-                buf.append(" \"");
+                buf.append("\"");
             }
             buf.append(result.get(i));
             if (len > 1) {