diff --git a/RIGAL/rigsc.446/src/Makefile b/RIGAL/rigsc.446/src/Makefile
index 1d590938e488307d74c387e81a839653281b221d..70d3813a0684edcffc359f921434290114fe2b09 100644
--- a/RIGAL/rigsc.446/src/Makefile
+++ b/RIGAL/rigsc.446/src/Makefile
@@ -63,7 +63,7 @@ bin:
 
 ../lib/riglib.a:$(CCF_SRC) 
 	@echo '*Starting creating library'
-	-mkdir --parents ../lib
+	-mkdir -p ../lib
 	-rm -f ../lib/riglib.a
 	ar rv ../lib/riglib.a $(CCF_SRC)
 	-ranlib ../lib/riglib.a