diff --git a/beecrypt.spec b/beecrypt.spec
index 20db0ea..79be642 100644
--- a/beecrypt.spec
+++ b/beecrypt.spec
@@ -25,7 +25,7 @@ and public key primitives.
 %package devel
 Summary:	Development files for the beecrypt toolkit and library
 Group:		Development/Libraries
-Requires:	%{name} = %{version}-%{release}
+Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 The beecrypt-devel package includes header files and libraries necessary
@@ -43,7 +43,7 @@ API documentation for developing applications with beecrypt.
 %package python
 Summary:	Files needed for python applications using beecrypt
 Group:		Development/Libraries
-Requires:	%{name} = %{version}-%{release}
+Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description python
 Beecrypt is a general-purpose cryptography library. This package contains