diff --git a/modules/libpr0n/test/reftest/pngsuite-ancillary/reftest.list b/modules/libpr0n/test/reftest/pngsuite-ancillary/reftest.list
index c46cbdd363ad..adeebd4c0baa 100644
--- a/modules/libpr0n/test/reftest/pngsuite-ancillary/reftest.list
+++ b/modules/libpr0n/test/reftest/pngsuite-ancillary/reftest.list
@@ -3,9 +3,9 @@
 # cHRM chunks
 #
 # ccwn2c08 - gamma 1.0000 chunk, chroma chunk w:0.3127,0.3290 r:0.64,0.33 g:0.30,0.60 b:0.15,0.06
-fail-if(prefs.getIntPref("gfx.color_management.mode")!=2) == ccwn2c08.png ccwn2c08.html
+fails-if(prefs.getIntPref("gfx.color_management.mode")!=2) == ccwn2c08.png ccwn2c08.html
 # ccwn3p08 - gamma 1.0000 chunk, chroma chunk w:0.3127,0.3290 r:0.64,0.33 g:0.30,0.60 b:0.15,0.06
-fail-if(prefs.getIntPref("gfx.color_management.mode")!=2) == ccwn3p08.png ccwn3p08.html
+fails-if(prefs.getIntPref("gfx.color_management.mode")!=2) == ccwn3p08.png ccwn3p08.html
 
 # pHYs chunks
 #