diff --git a/compat-usrmerge.spec b/compat-usrmerge.spec
index 4e958a7..9bec93a 100644
--- a/compat-usrmerge.spec
+++ b/compat-usrmerge.spec
@@ -21,7 +21,7 @@
 Name:           compat-usrmerge
 Version:        84.87
 Release:        0
-Summary:        UsrMerge related scripts.
+Summary:        UsrMerge related scripts
 License:        MIT
 URL:            https://en.opensuse.org/openSUSE:Usr_merge
 Source0:        usrmerge.lua
@@ -52,7 +52,7 @@ Tools related to UsrMerge to check the state of the system and to
 convert an existing system to UsrMerge.
 
 %package build
-Summary:        UsrMerge build tools.
+Summary:        UsrMerge build tools
 Requires:       lua
 
 %description build
@@ -61,7 +61,7 @@ generate proper provides tags for packages that used to have
 binaries in /(s)bin.
 
 %prep
-%setup -qcT
+%autosetup -c
 
 %build
 gcc -Wall %optflags -o usrmergecheck %{SOURCE2} `pkg-config --libs rpm`