diff --git a/shim-signed.spec b/shim-signed.spec
index 5c7fd7f..9d7a17d 100644
--- a/shim-signed.spec
+++ b/shim-signed.spec
@@ -10,8 +10,8 @@ Source0:	shim.efi
 
 #Requires: shim-unsigned >= %{version}-%{release}
 #BuildRequires: shim-unsigned = %{version}-%{release}
-Requires: shim-unsigned >= 0.2-3
-BuildRequires: shim-unsigned = 0.2-3
+Requires: shim-unsigned >= 0.2-3.fc18
+BuildRequires: shim-unsigned = 0.2-3.fc18
 BuildRequires: pesign >= 0.100-1%{dist}
 
 # Shim uses OpenSSL, but cannot use the system copy as the UEFI ABI is not