diff --git a/compat-usrmerge.spec b/compat-usrmerge.spec
index 9bec93a..9689c48 100644
--- a/compat-usrmerge.spec
+++ b/compat-usrmerge.spec
@@ -82,7 +82,7 @@ mkdir -p %{buildroot}/%{_lib}
 while read file; do
 	echo "usrmerge_files[\"$file\"] = 1" >> %{buildroot}%{_rpmconfigdir}/lua/usrmerge_files.lua
 done <<EOF
-/%{_lib}/libc-`rpm -q --qf "%{version}" glibc`.so
+/%{_lib}/libc-`rpm -q --qf "%%{version}" glibc`.so
 /%{_lib}/libc.so.6
 %ifarch %arm
 %ifarch armv6hl armv7hl