diff --git a/profiles/package.mask b/profiles/package.mask
index 5f3709358030c..7bbdb1da4c22f 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -201,7 +201,7 @@ sci-libs/cctbx
 <sci-libs/coot-data-3
 sci-libs/ccp4-libs
 <=sci-libs/clipper-2.1_p100511-r1
-<=sci-libs/mmdb-1.25.5-r1:0
+<sci-libs/mmdb-1.25.5-r1:0
 <sci-libs/monomer-db-5.41
 <sci-libs/ssm-1.4
 x11-libs/libxdl_view