diff --git a/control-center.spec b/control-center.spec
index 13f4879..1635ffa 100644
--- a/control-center.spec
+++ b/control-center.spec
@@ -100,7 +100,7 @@ If you install GNOME, you need to install control-center.
 %package devel
 Summary: GNOME Control Center development libraries and header files
 Group: Development/Libraries
-Requires: %{name} = %{epoch}:%{version}-%{release}
+Requires: %{name} = %{?epoch}:%{version}-%{release}
 
 %description devel
 GNOME (the GNU Network Object Model Environment) is an attractive and