diff --git a/unit_tests/Makefile b/unit_tests/Makefile
index e23e213892..dadadc8458 100644
--- a/unit_tests/Makefile
+++ b/unit_tests/Makefile
@@ -237,7 +237,13 @@ DINCDIR =
 DLIBDIR =
 
 # List all default libraries here
-DLIBS = -static-libgcc -static -static-libstdc++
+ifeq ($(OS),Windows_NT)
+  # Windows
+  DLIBS = -static-libgcc -static -static-libstdc++
+else
+  # Linux
+  DLIBS = -pthread
+endif
 
 #
 # End of default section