diff --git a/basetag.sh b/basetag.sh
index 7acf05f..907d77f 100755
--- a/basetag.sh
+++ b/basetag.sh
@@ -14,7 +14,7 @@
 # https://gist.github.com/CSTDev/08c127680e3b5fae38c051da3e489351
 
 #get highest tag number containing at least 2 dots
-VERSION=`git describe --abbrev=0 --tags --match="v[0-9]*\.*\.*"`
+VERSION=`git describe --abbrev=0 --tags --match="v[0-9]*\.[0-9]*\.[0-9]*"`
 
 #replace . with space so can split into an array
 VERSION_BITS=(${VERSION//./ })