diff --git a/lightningd/plugin.c b/lightningd/plugin.c
index ad8c43611..6abd0e063 100644
--- a/lightningd/plugin.c
+++ b/lightningd/plugin.c
@@ -497,7 +497,7 @@ char *plugin_opt_set(const char *arg, struct plugin_opt *popt)
 		if (streq(arg, "true") || streq(arg, "True") || streq(arg, "1")) {
 			*popt->value->as_bool = true;
 		} else if (streq(arg, "false") || streq(arg, "False")
-				|| streq(arg, "0") || streq(arg, "")) {
+				|| streq(arg, "0")) {
 			*popt->value->as_bool = false;
 		} else
 			return tal_fmt(tmpctx, "%s does not parse as type %s",
diff --git a/tests/test_plugin.py b/tests/test_plugin.py
index c40d4d059..2397f8d6e 100644
--- a/tests/test_plugin.py
+++ b/tests/test_plugin.py
@@ -69,7 +69,7 @@ def test_option_types(node_factory):
     n = node_factory.get_node(options={
         'plugin': plugin_path, 'str_opt': 'ok',
         'int_opt': 22,
-        'bool_opt': '',
+        'bool_opt': 'true',
         'flag_opt': None,
     })