diff --git a/xfce4-pulseaudio-plugin.spec b/xfce4-pulseaudio-plugin.spec
index 5868dfd..fdaa9ea 100644
--- a/xfce4-pulseaudio-plugin.spec
+++ b/xfce4-pulseaudio-plugin.spec
@@ -12,6 +12,7 @@ Source0:	http://archive.xfce.org/src/panel-plugins/%{name}/0.4/%{name}-%{version
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 #BuildArch:      noarch
 BuildRequires:	gcc-c++
+BuildRequires:  exo-devel
 BuildRequires:	glib2-devel >= 2.24.0
 BuildRequires:	gtk3-devel >= 3.6.0
 BuildRequires:	keybinder3-devel