diff --git a/config/25.1/build.conf b/config/25.1/build.conf
index 501e6a75..06973bdd 100644
--- a/config/25.1/build.conf
+++ b/config/25.1/build.conf
@@ -9,3 +9,4 @@ SSL?=		openssl
 
 COREBRANCH=	master
 PLUGINSBRANCH=	master
+SUFFIX=		-devel