diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index dbfc03cb815..e79ca256f9b 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2014-07-13  Tobias Burnus  <burnus@net-b.de>
+
+	* testsuite/libgomp.fortran/pr34020.f90: Make compile
+	with TS 18508/Fortran 2015
+
 2014-07-06  Marek Polacek  <polacek@redhat.com>
 
 	PR c/6940
diff --git a/libgomp/testsuite/libgomp.fortran/pr34020.f90 b/libgomp/testsuite/libgomp.fortran/pr34020.f90
index 3bb14f5fe3d..39f7046d197 100644
--- a/libgomp/testsuite/libgomp.fortran/pr34020.f90
+++ b/libgomp/testsuite/libgomp.fortran/pr34020.f90
@@ -7,6 +7,7 @@
       lhs = rhs + lhs
       end
 
+      external atomic_add
       real lhs, rhs
       integer i
       lhs = 0