diff --git a/giac.spec b/giac.spec
index feb8bc8..8a15ee6 100644
--- a/giac.spec
+++ b/giac.spec
@@ -116,8 +116,8 @@ editor, and many ways to consult the html help.
 Summary:   Perl script for the computer algebra system Giac
 URL:       http://melusine.eu.org/syracuse/giac/pgiac
 BuildArch: noarch
+BuildRequires: perl-generators
 Requires:  %{name} = %{version}-%{release}
-Requires:  perl
 
 %description -n pgiac
 The pgiac command is a perl script to mix Latex documents