diff --git a/libswfdec/swfdec_file_loader.h b/libswfdec/swfdec_file_loader.h
index 5a73a13..e544068 100644
--- a/libswfdec/swfdec_file_loader.h
+++ b/libswfdec/swfdec_file_loader.h
@@ -48,4 +48,6 @@ GType         swfdec_file_loader_get_type     (void);
 
 SwfdecLoader * swfdec_file_loader_new          (const char *   filename);
 
+G_END_DECLS
+
 #endif /* _SWFDEC_FILE_LOADER_H_ */
diff --git a/libswfdec/swfdec_keys.h b/libswfdec/swfdec_keys.h
index 2916792..ef85462 100644
--- a/libswfdec/swfdec_keys.h
+++ b/libswfdec/swfdec_keys.h
@@ -20,6 +20,8 @@
 #ifndef _SWFDEC_KEYS_H_
 #define _SWFDEC_KEYS_H_
 
+G_BEGIN_DECLS
+
 typedef enum {
   SWFDEC_KEY_BACKSPACE = 8,
   SWFDEC_KEY_TAB = 9,