diff --git a/_config b/_config
index 9fc0d80..826679c 100644
--- a/_config
+++ b/_config
@@ -164,7 +164,7 @@ Macros:
 
 # Leap specific package list, the same list with excludebuild must add to Backports project
 # Most of package should be built in Backports
-%if 0%{?_is_in_project}
+%if "%_project" == "openSUSE:Backports:SLE-16.0"
 # we build ffado:ffado-mixer for openSUSE, the main one is built in SLFO
 BuildFlags: excludebuild:ffado
 # build gpgme:qt flavor for qt5 support