diff --git a/netavark.spec b/netavark.spec
index b1db999..1ba3fd5 100644
--- a/netavark.spec
+++ b/netavark.spec
@@ -5,11 +5,11 @@
 %global debug_package %{nil}
 
 %global built_tag v1.2.0
-%global built_tag_strip 1.2.0
+%global built_tag_strip %(b=%{built_tag}; echo ${b:1})
 %global gen_version %(b=%{built_tag_strip}; echo ${b/-/"~"})
 
 Name: netavark
-Version: 1.2.0
+Version: %{gen_version}
 Release: %autorelease
 License: ASL 2.0 and BSD and MIT
 ExclusiveArch: %{rust_arches}