diff --git a/books/volume-5.sb b/books/volume-5.sb
index c63bbf90..817db702 100644
--- a/books/volume-5.sb
+++ b/books/volume-5.sb
@@ -83,7 +83,7 @@
     "hubert-felix_thiefaine/la_fin_du_saint_empire_romain_germanique.sg",
     "hubert-felix_thiefaine/la_mome_kaleidoscope.sg",
     "hubert-felix_thiefaine/le_chant_du_fou.sg",
-    "hubert-felix_thiefaine/lorelei_Sebasto_Cha.sg",
+    "hubert-felix_thiefaine/lorelei_sebasto_cha.sg",
     "hubert-felix_thiefaine/maison_borniol.sg",
     "hubert-felix_thiefaine/sweet_amanite_phalloide_queen.sg",
     "iggy_pop/in_the_death_car.sg",
diff --git a/patadata.sbc b/patadata.sbc
index b9c0f30b..e47d08dc 100644
--- a/patadata.sbc
+++ b/patadata.sbc
@@ -283,7 +283,7 @@
     "hubert-felix_thiefaine/la_fin_du_saint_empire_romain_germanique.sg", 
     "hubert-felix_thiefaine/la_mome_kaleidoscope.sg", 
     "hubert-felix_thiefaine/le_chant_du_fou.sg", 
-    "hubert-felix_thiefaine/lorelei_Sebasto_Cha.sg", 
+    "hubert-felix_thiefaine/lorelei_sebasto_cha.sg", 
     "hubert-felix_thiefaine/maison_borniol.sg", 
     "hubert-felix_thiefaine/scorbut.sg", 
     "hubert-felix_thiefaine/sentiments_numeriques_revisites.sg", 
diff --git a/songs/hubert-felix_thiefaine/lorelei_Sebasto_Cha.sg b/songs/hubert-felix_thiefaine/lorelei_sebasto_cha.sg
similarity index 100%
rename from songs/hubert-felix_thiefaine/lorelei_Sebasto_Cha.sg
rename to songs/hubert-felix_thiefaine/lorelei_sebasto_cha.sg