diff --git a/Makefile.in b/Makefile.in
index f99af0d0..491dcb64 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -89,7 +89,7 @@ installdirs: mkinstalldirs
 	$(INSTALL) -d -m 0755 -o $(RUNNING_USER) -g $(RUNNING_GROUP) $(DESTDIR)$(localstatedir)/piler/stat
 	$(INSTALL) -d -m 0711 -o $(RUNNING_USER) -g $(RUNNING_GROUP) $(DESTDIR)$(localstatedir)/piler/tmp
 	$(INSTALL) -d -m 0711 -o $(RUNNING_USER) -g $(RUNNING_GROUP) $(DESTDIR)$(localstatedir)/piler/error
-	$(INSTALL) -d -m 0755 -o $(RUNNING_USER) -g $(RUNNING_GROUP) $(DESTDIR)$(localstatedir)/piler/sphinx
+	$(INSTALL) -d -m 0700 -o $(RUNNING_USER) -g $(RUNNING_GROUP) $(DESTDIR)$(localstatedir)/piler/sphinx
 
 
 install-am: