diff --git a/gui/nodes.tcl b/gui/nodes.tcl
index cae2088b..a86ae345 100644
--- a/gui/nodes.tcl
+++ b/gui/nodes.tcl
@@ -111,7 +111,7 @@ proc writeNodesConf { } {
     set header "$header type metadata}"
     puts $f $header
     foreach i [lsort -integer [array names g_node_types]] {
-	puts $f "$i { $g_node_types($i) }"
+	puts $f "$i { [string trim $g_node_types($i)] }"
     }
     close $f
 }
diff --git a/gui/widget.tcl b/gui/widget.tcl
index de6ab0d8..d8717bdd 100755
--- a/gui/widget.tcl
+++ b/gui/widget.tcl
@@ -454,7 +454,7 @@ proc writeWidgetsConf { } {
     set header "# widgets.conf: CORE Observer Widgets customization file."
     puts $f $header
     foreach w [lsort -integer [array names widgets_obs]] {
-	puts $f "$w { $widgets_obs($w) }"
+	puts $f "$w { [string trim $widgets_obs($w)] }"
     }
     close $f
 }