diff --git a/src/Pstream/dummy/Make/options b/src/Pstream/dummy/Make/options
index e4319f9dfc..654417564d 100644
--- a/src/Pstream/dummy/Make/options
+++ b/src/Pstream/dummy/Make/options
@@ -1 +1 @@
-LIB_LIBS = -lpthread
+LIB_LIBS =