diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index ebdccf9a1e..fff6a6d0ea 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -136,7 +136,7 @@ test_expect_success 'GIT_DIFFTOOL_PROMPT variable' '
 	GIT_DIFFTOOL_PROMPT=true &&
 	export GIT_DIFFTOOL_PROMPT &&
 
-	prompt=$(echo | git difftool --prompt branch | tail -1) &&
+	prompt=$(echo | git difftool branch | tail -1) &&
 	prompt_given "$prompt" &&
 
 	restore_test_defaults
diff --git a/templates/Makefile b/templates/Makefile
index a12c6e214e..408f0137a8 100644
--- a/templates/Makefile
+++ b/templates/Makefile
@@ -50,4 +50,4 @@ clean:
 install: all
 	$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(template_instdir_SQ)'
 	(cd blt && $(TAR) cf - .) | \
-	(cd '$(DESTDIR_SQ)$(template_instdir_SQ)' && umask 022 && $(TAR) xfo -)
+	(cd '$(DESTDIR_SQ)$(template_instdir_SQ)' && umask 022 && $(TAR) xof -)