diff --git a/speex.spec b/speex.spec
index 7f4ec0c..8934cfa 100644
--- a/speex.spec
+++ b/speex.spec
@@ -19,7 +19,7 @@ data (e.g. voice mail).
 %package devel
 Summary: 	Development package for %{name}
 Group: 		Development/Libraries
-Requires: 	%{name} = %{version}-%{release}
+Requires: 	%{name}%{?_isa} = %{version}-%{release}
 Requires: 	pkgconfig
 
 %description devel
@@ -29,7 +29,7 @@ speech. This package contains development files for %{name}
 %package tools
 Summary:	The tools package for %{name}
 Group:		Applications/Multimedia
-Requires:	%{name} = %{version}-%{release}
+Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description tools
 Speex is a patent-free compression format designed especially for