diff --git a/dialog.spec b/dialog.spec
index b682fb4..33a5d37 100644
--- a/dialog.spec
+++ b/dialog.spec
@@ -24,7 +24,7 @@ Install dialog if you would like to create TTY dialog boxes.
 %package devel 
 Summary: Development files for building applications with the dialog library
 Group: Development/Libraries
-Requires: %{name} = %{version}-%{release} ncurses-devel
+Requires: %{name}%{?_isa} = %{version}-%{release} ncurses-devel
 
 %description devel
 Dialog is a utility that allows you to show dialog boxes (containing