diff --git a/nmap.spec.in b/nmap.spec.in
index 9ee01d1ac..c7bf7a06d 100644
--- a/nmap.spec.in
+++ b/nmap.spec.in
@@ -24,7 +24,8 @@ Source0: http://nmap.org/dist/%{name}-%{version}.tgz
 URL: http://nmap.org
 
 # For Ndiff.
-Requires: python >= 2.4, subversion-devel
+Requires: python >= 2.4, subversion
+BuildRequires: subversion-devel
 
 # RPM can't be relocatable until I stop storing path info in the binary.
 # Prefix: %{_prefix}