diff --git a/src/Pstream/dummy/Make/options b/src/Pstream/dummy/Make/options
index e4319f9dfc1f17077749096a34aacb8f3468f1f9..654417564decb48a533199f948135c3d650e2f62 100644
--- a/src/Pstream/dummy/Make/options
+++ b/src/Pstream/dummy/Make/options
@@ -1 +1 @@
-LIB_LIBS = -lpthread
+LIB_LIBS =