diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 394bf988e..18b3bb9d2 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -69,7 +69,7 @@ OBJCOPY:=@OBJCOPY@
 OBJDUMP:=@OBJDUMP@
 STRIP:=@STRIP@
 LDSCRIPT:=cygwin.sc
-MKDIRP:=$(INSTALL) -d
+MKDIRP:=$(INSTALL) -m 755 -d
 
 #
 # Include common definitions for winsup directory