diff --git a/app/text/gimptext-parasite.c b/app/text/gimptext-parasite.c
index 0b8c617451..b07e66a53c 100644
--- a/app/text/gimptext-parasite.c
+++ b/app/text/gimptext-parasite.c
@@ -53,7 +53,7 @@ gimp_text_parasite_name (void)
 }
 
 GimpParasite *
-gimp_text_to_parasite (const GimpText *text)
+gimp_text_to_parasite (GimpText *text)
 {
   g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);
 
diff --git a/app/text/gimptext-parasite.h b/app/text/gimptext-parasite.h
index d834309e47..2e2847a497 100644
--- a/app/text/gimptext-parasite.h
+++ b/app/text/gimptext-parasite.h
@@ -23,7 +23,7 @@
 
 
 const gchar  * gimp_text_parasite_name          (void) G_GNUC_CONST;
-GimpParasite * gimp_text_to_parasite            (const GimpText      *text);
+GimpParasite * gimp_text_to_parasite            (GimpText      *text);
 GimpText     * gimp_text_from_parasite          (const GimpParasite  *parasite,
                                                  GError             **error);