diff --git a/libreoffice.spec b/libreoffice.spec
index 88dca9e..8936b70 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -238,6 +238,7 @@ BuildRequires: pkgconfig(libepubgen-0.1)
 BuildRequires: pkgconfig(liborcus-0.13)
 BuildRequires: pkgconfig(libqxp-0.0)
 BuildRequires: pkgconfig(mdds-1.2)
+BuildRequires: libnumbertext-devel
 %endif
 
 # java stuff