diff --git a/Cython.spec b/Cython.spec
index 97b1920..e6854fe 100644
--- a/Cython.spec
+++ b/Cython.spec
@@ -68,7 +68,9 @@ Provides:       bundled(python3dist(tempita))
 Summary:        A major mode for editing Cython source files in Emacs
 BuildArch:      noarch
 BuildRequires:  emacs
+%{?_emacs_version:
 Requires:       emacs(bin) >= %{_emacs_version}
+}
 
 %description -n emacs-cython-mode
 cython-mode is an Emacs major mode for editing Cython source files.