diff --git a/hfsplus-tools.spec b/hfsplus-tools.spec
index 43b341e..964cde5 100644
--- a/hfsplus-tools.spec
+++ b/hfsplus-tools.spec
@@ -20,10 +20,7 @@ BuildRequires: openssl-devel
 # package.  However, I don't want to Obsolete that package yet, as some people
 # may have a valid use for it on their systems. 
 Conflicts: hfsplusutils
-
-# we want this to end up with the other mkfs.*'s, in /sbin
-%define _exec_prefix /
-
+Conflicts: filesystem < 3
 
 %description
 HFS+, HFS Plus, or Mac OS Extended are names for a file system developed by