diff --git a/gnu-efi.spec b/gnu-efi.spec
index e11c17a..5a03b6b 100644
--- a/gnu-efi.spec
+++ b/gnu-efi.spec
@@ -33,7 +33,7 @@ BuildRequires: (glibc-devel(x86-32) or glibc32)
 BuildRequires: make
 
 # added 2020-01-24, so time is up...
-Obsoletes: %{name}-compat < 3.0.11-12
+Obsoletes: %{name}-compat < 1:3.0.11-12
 
 # rpmlint, shut up.
 %define lib %{nil}lib%{nil}