diff --git a/science/libgeodecomp/files/patch-src_examples_globalreductions_main.cpp b/science/libgeodecomp/files/patch-src_examples_globalreductions_main.cpp
new file mode 100644
index 000000000000..80ab18587368
--- /dev/null
+++ b/science/libgeodecomp/files/patch-src_examples_globalreductions_main.cpp
@@ -0,0 +1,8 @@
+--- src/examples/globalreductions/main.cpp.orig	2019-07-28 15:27:06 UTC
++++ src/examples/globalreductions/main.cpp
+@@ -1,4 +1,5 @@
+ #include <libgeodecomp.h>
++#include <libgeodecomp/io/serialbovwriter.h>
+ 
+ using namespace LibGeoDecomp;
+