diff --git a/x11-misc/lightdm-webkit-greeter/lightdm-webkit-greeter-2.0.0.ebuild b/x11-misc/lightdm-webkit-greeter/lightdm-webkit-greeter-2.0.0.ebuild
index 15302d2..704f972 100644
--- a/x11-misc/lightdm-webkit-greeter/lightdm-webkit-greeter-2.0.0.ebuild
+++ b/x11-misc/lightdm-webkit-greeter/lightdm-webkit-greeter-2.0.0.ebuild
@@ -38,7 +38,7 @@ src_prepare(){
   # Replace Ubuntu font with Dejavusans
   sed -i '/^font-name=/s|Ubuntu 11|DejaVuSans 11|' data/lightdm-webkit-greeter.conf
   
-  epatch "${FILESDIR}/${P}_api_add_error.patch"
+  epatch "${FILESDIR}/${PN}-2.0.0_api_add_error.patch"
 }
 
 src_compile(){