diff --git a/cmd/tezosconnect_test.go b/cmd/tezosconnect_test.go
index 37c1576..645be80 100644
--- a/cmd/tezosconnect_test.go
+++ b/cmd/tezosconnect_test.go
@@ -24,6 +24,11 @@ func TestRun(t *testing.T) {
 			cfgFile: "../test/missing.firefly.tezosconnect.yaml",
 			errMsg:  "FF00101",
 		},
+		{
+			name:    "wrong persistence type error",
+			cfgFile: "../test/bad-persistence-type.tezosconnect.yaml",
+			errMsg:  "FF21043",
+		},
 		{
 			name:    "error on NewTezosConnector",
 			cfgFile: "../test/no-connector.tezosconnect.yaml",
diff --git a/test/bad-persistence-type.tezosconnect.yaml b/test/bad-persistence-type.tezosconnect.yaml
new file mode 100644
index 0000000..0fe2ebd
--- /dev/null
+++ b/test/bad-persistence-type.tezosconnect.yaml
@@ -0,0 +1,5 @@
+connector:
+  blockchain:
+    rpc: https://ghostnet.example.com
+persistence:
+  type: wrong-type