--- a/src/interface.c
+++ b/src/interface.c
@@ -19,6 +19,11 @@
 #include "interface.h"
 #include "support.h"
 
+GtkWidget *hspell_window;
+GtkWidget *inforamtion_window;
+GtkWidget *textview;
+GtkWidget *word_entry;
+
 #define GLADE_HOOKUP_OBJECT(component,widget,name) \
   g_object_set_data_full (G_OBJECT (component), name, \
     gtk_widget_ref (widget), (GDestroyNotify) gtk_widget_unref)
--- a/src/interface.h
+++ b/src/interface.h
@@ -2,10 +2,10 @@
  * DO NOT EDIT THIS FILE - it is generated by Glade.
  */
 
-GtkWidget *hspell_window;
-GtkWidget *inforamtion_window;
-GtkWidget *textview;
-GtkWidget *word_entry;
+extern GtkWidget *hspell_window;
+extern GtkWidget *inforamtion_window;
+extern GtkWidget *textview;
+extern GtkWidget *word_entry;
 
 GtkWidget* create_hspell_window (void);
 GtkWidget* create_inforamtion_window (void);
