diff --git a/songs/Gary_Jules/Mad_world.sg b/songs/Gary_Jules/Mad_world.sg
index 7fdc19af..aa708d16 100644
--- a/songs/Gary_Jules/Mad_world.sg
+++ b/songs/Gary_Jules/Mad_world.sg
@@ -1,7 +1,7 @@
 \selectlanguage{english}
 \songcolumns{2}
 \beginsong{Mad world}
-  [by=Gary Jules,album=Trading snakeoil for wolftickets,cov=Trading-snakeoil-for-wolftickets]
+  [by=Gary Jules,album=Trading snakeoil for wolftickets,cov=trading-snakeoil-for-wolftickets]
 
   \cover
   \capo{1}
diff --git a/songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg b/songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg
index de906162..a60a786f 100644
--- a/songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg
+++ b/songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg
@@ -1,7 +1,7 @@
 \selectlanguage{french}
 \songcolumns{3}
 \beginsong{Au mariage de Kévin et de ma sœur}
-  [by=Les Fatals Picards,cov=Pamplemousse-mecanique,album=Pamplemousse mécanique]
+  [by=Les Fatals Picards,cov=pamplemousse-mecanique,album=Pamplemousse mécanique]
 
   \cover
   \gtab{Gm}{3:022000}