diff --git a/Makefile b/Makefile
index 2e78b08..a9c1a3b 100644
--- a/Makefile
+++ b/Makefile
@@ -312,7 +312,7 @@
 # If the user is running make -s (silent mode), suppress echoing of
 # commands
 
-ifneq ($(findstring s,$(MAKEFLAGS)),)
+ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
   quiet=silent_
 endif