diff --git a/taglib.spec b/taglib.spec
index d3b9812..c138139 100644
--- a/taglib.spec
+++ b/taglib.spec
@@ -40,6 +40,10 @@ Patch106: taglib-1.5-1.6-mpeg-cmake.patch
 BuildRequires: cmake
 BuildRequires: pkgconfig
 BuildRequires: zlib-devel
+%if %{with tests}
+BuildRequires: cppunit-devel
+%endif
+
 
 %description
 TagLib is a library for reading and editing the meta-data of several