diff --git a/ibus-libzhuyin.spec b/ibus-libzhuyin.spec
index 141f7ba..11e1196 100644
--- a/ibus-libzhuyin.spec
+++ b/ibus-libzhuyin.spec
@@ -11,6 +11,7 @@ Source0:    http://downloads.sourceforge.net/libzhuyin/ibus-libzhuyin/%{name}-%{
 Patch0:     ibus-libzhuyin-1.8.x-HEAD.patch
 %endif
 
+BuildRequires:  gcc-c++
 BuildRequires:  gettext-devel
 BuildRequires:  intltool
 BuildRequires:  libtool