diff --git a/Field3D.spec b/Field3D.spec
index 0b8edb4..90be772 100644
--- a/Field3D.spec
+++ b/Field3D.spec
@@ -8,6 +8,8 @@ URL:            https://sites.google.com/site/field3d/
 
 Source0:        https://github.com/imageworks/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
+Patch0:         Field3D-unit_test.patch
+
 BuildRequires:  cmake gcc-c++ doxygen
 BuildRequires:  hdf5-devel
 BuildRequires:  boost-devel
@@ -33,6 +35,7 @@ Development headers and documentation for %{name}.
 
 %prep
 %setup -q
+%patch0 -p1
 
 
 %build