diff --git a/support/scripts/setlocalversion b/support/scripts/setlocalversion
index adeeb781e7..33cd605bf3 100755
--- a/support/scripts/setlocalversion
+++ b/support/scripts/setlocalversion
@@ -54,7 +54,7 @@ fi
 
 # Check for mercurial and a mercurial repo.
 if hgid=`hg id 2>/dev/null`; then
-	tag=`printf '%s' "$hgid" | cut -d' ' -f2`
+	tag=`printf '%s' "$hgid" | cut -d' ' -f2 --only-delimited`
 
 	# Do we have an untagged version?
 	if [ -z "$tag" -o "$tag" = tip ]; then