diff --git a/libraries/tls/tls.SlackBuild b/libraries/tls/tls.SlackBuild
index ab0d1cc9b0..1c02ed39ad 100644
--- a/libraries/tls/tls.SlackBuild
+++ b/libraries/tls/tls.SlackBuild
@@ -5,7 +5,7 @@
 # Assumed to be public domain
 
 PRGNAM=tls
-VERSION=1.6
+VERSION=${VERSION:-1.6}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}