diff --git a/dyninst-export.patch b/dyninst-export.patch
new file mode 100644
index 0000000..f01f32a
--- /dev/null
+++ b/dyninst-export.patch
@@ -0,0 +1,11 @@
+diff -up DyninstAPI-9.1.0/dyninstAPI_RT/h/dyninstRTExport.h.export DyninstAPI-9.1.0/dyninstAPI_RT/h/dyninstRTExport.h
+--- DyninstAPI-9.1.0/dyninstAPI_RT/h/dyninstRTExport.h.export	2016-03-09 12:53:59.440594409 -0500
++++ DyninstAPI-9.1.0/dyninstAPI_RT/h/dyninstRTExport.h	2016-03-09 12:54:58.334974970 -0500
+@@ -116,6 +116,7 @@ DLLEXPORT extern dyntid_t (*DYNINST_pthr
+ DLLEXPORT extern unsigned int DYNINSTobsCostLow;
+ DLLEXPORT extern int libdyninstAPI_RT_init_localCause;
+ DLLEXPORT extern int libdyninstAPI_RT_init_localPid;
++DLLEXPORT extern int libdyninstAPI_RT_init_maxthreads;
+ DLLEXPORT extern int libdyninstAPI_RT_init_debug_flag;
+ DLLEXPORT extern struct DYNINST_bootstrapStruct DYNINST_bootstrap_info;
+ 
diff --git a/dyninst.spec b/dyninst.spec
index 9fec65b..9cc4e41 100644
--- a/dyninst.spec
+++ b/dyninst.spec
@@ -2,7 +2,7 @@ Summary: An API for Run-time Code Generation
 License: LGPLv2+
 Name: dyninst
 Group: Development/Libraries
-Release: 3%{?dist}
+Release: 4%{?dist}
 URL: http://www.dyninst.org
 Version: 9.1.0
 Exclusiveos: linux
@@ -11,6 +11,7 @@ ExclusiveArch: %{ix86} x86_64 ppc ppc64
 
 Source0: http://www.paradyn.org/release%{version}/DyninstAPI-%{version}.tgz
 Source1: http://www.paradyn.org/release%{version}/Testsuite-%{version}.tgz
+Patch1: dyninst-export.patch
 
 %global dyninst_base DyninstAPI-%{version}
 %global testsuite_base Testsuite-%{version}
@@ -81,6 +82,8 @@ making sure that dyninst works properly.
 %setup -q -n %{name}-%{version} -c
 %setup -q -T -D -a 1
 
+%patch1 -p0 -b .export
+
 %build
 
 cd %{dyninst_base}
@@ -168,6 +171,9 @@ find %{buildroot}%{_libdir}/dyninst/testsuite/ \
 %attr(644,root,root) %{_libdir}/dyninst/testsuite/*.a
 
 %changelog
+* Thu Mar 10 2016 William Cohen <wcohen@redhat.com> - 9.1.0-4
+- Export libdyninstAPI_RT_init_maxthreads (ref rhbz1315841)
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 9.1.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild