diff --git a/python/python3-Flask-Cors/python3-Flask-Cors.SlackBuild b/python/python3-Flask-Cors/python3-Flask-Cors.SlackBuild
index a923be9407..740487708c 100644
--- a/python/python3-Flask-Cors/python3-Flask-Cors.SlackBuild
+++ b/python/python3-Flask-Cors/python3-Flask-Cors.SlackBuild
@@ -27,7 +27,7 @@
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=python3-Flask-Cors
-SRCNAM=$(echo $PRGNAM | sed "s/python3-//")
+SRCNAM=${PRGNAM#python3-*}
 VERSION=${VERSION:-3.0.10}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}