diff --git a/unbound.spec b/unbound.spec
index cae8799..2931cb4 100644
--- a/unbound.spec
+++ b/unbound.spec
@@ -9,7 +9,7 @@ License:        BSD
 #
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  openssl-devel
-BuildRequires:  ldns-devel
+BuildRequires:  ldns-devel > 1.2.9
 #
 Url:            http://www.unbound.net/
 Source:         http://www.unbound.net/downloads/unbound-%{version}.tar.gz
@@ -24,9 +24,10 @@ a validating, recursive, and caching DNS resolver
 %prep
 %setup
 %patch
+%{__rm} ldns-src.tar.gz
 
 %build
-%configure --disable-rpath --disable-static
+%configure --disable-rpath --disable-static --with-ldns=%{_prefix}
 %{__make}
 
 %install