diff --git a/oci-seccomp-bpf-hook.spec b/oci-seccomp-bpf-hook.spec
index 9bbc3f0..be52017 100644
--- a/oci-seccomp-bpf-hook.spec
+++ b/oci-seccomp-bpf-hook.spec
@@ -16,12 +16,14 @@
 %global git0 https://%{import_path}
 
 %global built_tag v1.2.6
+%global built_tag_strip %(b=%{built_tag}; echo ${b:1})
+%global gen_version %(b=%{built_tag_strip}; echo ${b/-/"~"})
 
 # use the same arch definitions as present in the bcc package
 ExclusiveArch:  x86_64 %{power64} aarch64 s390x armv7hl
 
 Name: %{repo}
-Version: 1.2.6
+Version: %{gen_version}
 License: ASL 2.0 and BSD and ISC and MIT
 Release: %autorelease
 Summary: OCI Hook to generate seccomp json files based on EBF syscalls used by container
@@ -67,7 +69,7 @@ Requires: podman
 This package contains system tests for %{name}
 
 %prep
-%autosetup -Sgit
+%autosetup -Sgit -n %{name}-%{built_tag_strip}
 sed -i 's;HOOK_BIN_DIR;%{_libexecdir}/oci/hooks.d;' %{name}.json
 sed -i '/$(HOOK_DIR)\/%{name}.json/d' Makefile