diff --git a/Makefile b/Makefile
index 6f721fc..468eac9 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,11 @@ endif
 endif
 
 
+ifdef WIN_MSYS
+INSTPREFIX = /usr
+else
 INSTPREFIX = /usr/local
+endif
 
 all: common client server