diff --git a/apparmor.d/tunables/multiarch.d/system b/apparmor.d/tunables/multiarch.d/system
index 0a95d183..0dc81689 100644
--- a/apparmor.d/tunables/multiarch.d/system
+++ b/apparmor.d/tunables/multiarch.d/system
@@ -130,7 +130,7 @@
 @{group}=@{user}
 
 # Semantic version
-@{version}=@{int}{.@{int},}{.@{int},}{-@{rand},}
+@{version}=@{u16}{.@{u16},}{.@{u16},}{{-,_}@{rand},}
 
 # OpenSUSE does not have the same multiarch structure
 @{multiarch}+=*-suse-linux*  #aa:only opensuse