diff --git a/libsigc++20.spec b/libsigc++20.spec
index ec3d6cd..89f9eda 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -11,7 +11,7 @@ URL:            http://libsigc.sourceforge.net/
 Source0:        http://download.gnome.org/sources/libsigc++/%{release_version}/libsigc++-%{version}.tar.xz
 
 BuildRequires:  m4
-BuildRequires:  perl
+BuildRequires:  perl-interpreter
 BuildRequires:  perl(Getopt::Long)
 
 %description