diff --git a/libevent.spec b/libevent.spec
index e5b5e90..dae258a 100644
--- a/libevent.spec
+++ b/libevent.spec
@@ -17,11 +17,11 @@
 
 
 Name:           libevent
-%define		version_base 2
-%define		version_minor 1
-%define		version_release 8
-%define		abi_release 6
-%define		version_suffix stable
+%define     version_base 2
+%define     version_minor 1
+%define     version_release 8
+%define     abi_release 6
+%define     version_suffix stable
 %define     libsoname %{name}-%{version_base}_%{version_minor}-%{version_release}
 
 Version:        %{version_base}.%{version_minor}.%{version_release}