diff --git a/liborcus-0.7.0-iostream.patch b/liborcus-0.7.0-iostream.patch
new file mode 100644
index 0000000..84c763d
--- /dev/null
+++ b/liborcus-0.7.0-iostream.patch
@@ -0,0 +1,13 @@
+diff -up liborcus-0.7.0/src/parser/string_pool_test.cpp\~ liborcus-0.7.0/src/parser/string_pool_test.cpp
+--- liborcus-0.7.0/src/parser/string_pool_test.cpp~	2013-10-05 16:44:15.000000000 +0200
++++ liborcus-0.7.0/src/parser/string_pool_test.cpp	2015-01-28 21:47:45.271937850 +0100
+@@ -5,6 +5,7 @@
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+  */
+ 
++#include <iostream>
+ #include "orcus/string_pool.hpp"
+ #include "orcus/pstring.hpp"
+ 
+
+Diff finished.  Wed Jan 28 21:48:06 2015
diff --git a/liborcus.spec b/liborcus.spec
index 321189e..f769ef3 100644
--- a/liborcus.spec
+++ b/liborcus.spec
@@ -8,6 +8,7 @@ Summary: Standalone file import filter library for spreadsheet documents
 License: MPLv2.0
 URL: http://gitorious.org/orcus
 Source: http://kohei.us/files/orcus/src/%{name}-%{version}.tar.bz2
+Patch0: liborcus-0.7.0-iostream.patch
 
 BuildRequires: boost-devel
 BuildRequires: chrpath
@@ -122,7 +123,7 @@ make check %{?_smp_mflags}
 
 %changelog
 * Tue Jan 27 2015 Petr Machata <pmachata@redhat.com> - 0.7.0-7
-- Rebuild for boost 1.57.0
+- include <iostream> in string_pool_test (liborcus-0.7.0-iostream.patch)
 
 * Tue Jan 27 2015 Petr Machata <pmachata@redhat.com> - 0.7.0-6
 - Rebuild for boost 1.57.0