diff --git a/Makefile b/Makefile
index f52064d..67ee429 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ install:
 	@mkdir -p $(DESTDIR)$(BINPREFIX)
 	@echo "... installing bins to $(DESTDIR)$(BINPREFIX)"
 	@echo "... installing man pages to $(DESTDIR)$(MANPREFIX)"
-	$(eval TEMPFILE := $(shell mktemp -t git-extra.XXX))
+	$(eval TEMPFILE := $(shell mktemp -q -t git-extras.XXXXXX 2>/dev/null || mktemp -q))
 	@# chmod from rw-------(default) to rwxrwxr-x, so that users can exec the scripts
 	@chmod 775 $(TEMPFILE)
 	@$(foreach COMMAND, $(COMMANDS_USED_WITH_GIT_REPO), \
diff --git a/bin/git-contrib b/bin/git-contrib
index 1dbea52..b6f1634 100755
--- a/bin/git-contrib
+++ b/bin/git-contrib
@@ -6,4 +6,4 @@ test -z "$user" && echo "user name required." 1>&2 && exit 1
 
 count=`git log --oneline --pretty="format: %an" | grep -- "$user" | wc -l`
 test $count -eq 0 && echo "$user did not contribute." && exit 1
-git shortlog | grep -- "$user (" -A $count
+git shortlog | grep -A $count -- "$user ("