diff --git a/src/Pstream/dummy/Make/options b/src/Pstream/dummy/Make/options
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..e4319f9dfc1f17077749096a34aacb8f3468f1f9 100644
--- a/src/Pstream/dummy/Make/options
+++ b/src/Pstream/dummy/Make/options
@@ -0,0 +1 @@
+LIB_LIBS = -lpthread