--- a/config/config.mk
+++ b/config/config.mk
@@ -323,17 +323,17 @@ endif # WINNT
 
 ifeq (,$(CROSS_COMPILE)$(filter-out WINNT, $(OS_ARCH)))
 INSTALL = $(NSINSTALL) -t
 
 else
 
 # This isn't laid out as conditional directives so that NSDISTMODE can be
 # target-specific.
-INSTALL         = $(if $(filter copy, $(NSDISTMODE)), $(NSINSTALL) -t, $(if $(filter absolute_symlink, $(NSDISTMODE)), $(NSINSTALL) -L $(PWD), $(NSINSTALL) -R))
+INSTALL         = $(if $(filter absolute_symlink, $(NSDISTMODE)), $(NSINSTALL) -L $(PWD), $(NSINSTALL) -R)
 
 endif # WINNT
 
 # The default for install_cmd is simply INSTALL
 install_cmd ?= $(INSTALL) $(1)
 
 # Use nsinstall in copy mode to install files on the system
 SYSINSTALL	= $(NSINSTALL) -t