diff --git a/libthai.spec b/libthai.spec
index d2eb8a2..ae2b6e9 100644
--- a/libthai.spec
+++ b/libthai.spec
@@ -8,6 +8,7 @@ Source: ftp://linux.thai.net/pub/thailinux/software/libthai/libthai-%{version}.t
 Patch0: libthai-0.1.9-multilib.patch
 URL: http://linux.thai.net
 
+BuildRequires: gcc
 BuildRequires: pkgconfig(datrie-0.2)
 BuildRequires: doxygen