diff --git a/model/config.go b/model/config.go
index ce7a4766e4..9fd2d291e3 100644
--- a/model/config.go
+++ b/model/config.go
@@ -190,6 +190,7 @@ const (
 	PLUGIN_SETTINGS_DEFAULT_CLIENT_DIRECTORY   = "./client/plugins"
 	PLUGIN_SETTINGS_DEFAULT_ENABLE_MARKETPLACE = true
 	PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL    = "https://api.integrations.mattermost.com"
+	PLUGIN_SETTINGS_OLD_MARKETPLACE_URL        = "https://marketplace.integrations.mattermost.com"
 
 	COMPLIANCE_EXPORT_TYPE_CSV             = "csv"
 	COMPLIANCE_EXPORT_TYPE_ACTIANCE        = "actiance"
@@ -2284,7 +2285,7 @@ func (s *PluginSettings) SetDefaults(ls LogSettings) {
 		s.EnableMarketplace = NewBool(PLUGIN_SETTINGS_DEFAULT_ENABLE_MARKETPLACE)
 	}
 
-	if s.MarketplaceUrl == nil || *s.MarketplaceUrl == "" {
+	if s.MarketplaceUrl == nil || *s.MarketplaceUrl == "" || *s.MarketplaceUrl == PLUGIN_SETTINGS_OLD_MARKETPLACE_URL {
 		s.MarketplaceUrl = NewString(PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL)
 	}
 }
diff --git a/model/config_test.go b/model/config_test.go
index 990ffa13dd..dde02b517b 100644
--- a/model/config_test.go
+++ b/model/config_test.go
@@ -1155,3 +1155,37 @@ func TestConfigSanitize(t *testing.T) {
 	assert.Equal(t, FAKE_SETTING, c.SqlSettings.DataSourceReplicas[0])
 	assert.Equal(t, FAKE_SETTING, c.SqlSettings.DataSourceSearchReplicas[0])
 }
+
+func TestConfigMarketplaceDefaults(t *testing.T) {
+	t.Parallel()
+
+	t.Run("no marketplace url", func(t *testing.T) {
+		c := Config{}
+		c.SetDefaults()
+
+		require.True(t, *c.PluginSettings.EnableMarketplace)
+		require.Equal(t, PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL, *c.PluginSettings.MarketplaceUrl)
+	})
+
+	t.Run("old marketplace url", func(t *testing.T) {
+		c := Config{}
+		c.SetDefaults()
+
+		*c.PluginSettings.MarketplaceUrl = PLUGIN_SETTINGS_OLD_MARKETPLACE_URL
+		c.SetDefaults()
+
+		require.True(t, *c.PluginSettings.EnableMarketplace)
+		require.Equal(t, PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL, *c.PluginSettings.MarketplaceUrl)
+	})
+
+	t.Run("custom marketplace url", func(t *testing.T) {
+		c := Config{}
+		c.SetDefaults()
+
+		*c.PluginSettings.MarketplaceUrl = "https://marketplace.example.com"
+		c.SetDefaults()
+
+		require.True(t, *c.PluginSettings.EnableMarketplace)
+		require.Equal(t, "https://marketplace.example.com", *c.PluginSettings.MarketplaceUrl)
+	})
+}