diff --git a/OpenEXR_Viewers.spec b/OpenEXR_Viewers.spec
index cd950db..e08b4ca 100644
--- a/OpenEXR_Viewers.spec
+++ b/OpenEXR_Viewers.spec
@@ -27,6 +27,8 @@ Source0:        http://download.savannah.nongnu.org/releases/openexr/openexr_vie
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 Patch1: openexr_viewers-2.0.1-dso.patch
+# fix ftbfs due to missing header
+Patch2: openexr_viewers-2.1.0-headers.patch
 
 BuildRequires:  libtool
 
@@ -76,6 +78,7 @@ This package contains documentation files for %{name}.
 %setup -q -n openexr_viewers-%{version}
 
 %patch1 -p1 -b .dso
+%patch2 -p1 -b .header
 
 %if %{_lib} == lib64
 sed -i -e 's|ACTUAL_PREFIX/lib/CTL|ACTUAL_PREFIX/lib64/CTL|' configure.ac
diff --git a/openexr_viewers-2.1.0-headers.patch b/openexr_viewers-2.1.0-headers.patch
new file mode 100644
index 0000000..ea4c931
--- /dev/null
+++ b/openexr_viewers-2.1.0-headers.patch
@@ -0,0 +1,13 @@
+diff -up openexr_viewers-2.1.0/exrdisplay/Makefile.am.headers openexr_viewers-2.1.0/exrdisplay/Makefile.am
+--- openexr_viewers-2.1.0/exrdisplay/Makefile.am.headers	2014-01-31 10:09:46.514343641 -0600
++++ openexr_viewers-2.1.0/exrdisplay/Makefile.am	2014-01-31 10:11:59.636924846 -0600
+@@ -44,7 +44,8 @@ noinst_HEADERS =  \
+         scaleImage.h \
+         applyCtl.h \
+         GlWindow3d.h \
+-        GlWindow3d.cpp
++        GlWindow3d.cpp \
++        namespaceAlias.h
+ 
+ EXTRA_DIST = $(exrdisplay_SOURCES)
+