diff --git a/setup.sh b/setup.sh
index 0f5cc52..15a8cae 100755
--- a/setup.sh
+++ b/setup.sh
@@ -29,7 +29,7 @@ if have fossil; then
 	elif have gpg; then
 		gpg="gpg"
 	else
-		gpg=":"
+		gpg="false"
 	fi
 
 	gpg_key="7395312F"