diff --git a/Oqtane.Server/Controllers/ModuleDefinitionController.cs b/Oqtane.Server/Controllers/ModuleDefinitionController.cs
index 2176c9f3..a637be69 100644
--- a/Oqtane.Server/Controllers/ModuleDefinitionController.cs
+++ b/Oqtane.Server/Controllers/ModuleDefinitionController.cs
@@ -194,7 +194,7 @@ namespace Oqtane.Controllers
                         {
                             try
                             {
-                                if (moduletype.GetInterface("IInstallable") != null)
+                                if (moduletype.GetInterface(nameof(IInstallable)) != null)
                                 {
                                     _tenantManager.SetTenant(tenant.TenantId);
                                     var moduleobject = ActivatorUtilities.CreateInstance(_serviceProvider, moduletype);
diff --git a/Oqtane.Server/Infrastructure/DatabaseManager.cs b/Oqtane.Server/Infrastructure/DatabaseManager.cs
index ad472f37..3d9be5de 100644
--- a/Oqtane.Server/Infrastructure/DatabaseManager.cs
+++ b/Oqtane.Server/Infrastructure/DatabaseManager.cs
@@ -452,7 +452,7 @@ namespace Oqtane.Infrastructure
                                             {
                                                 try
                                                 {
-                                                    if (moduleType.GetInterface("IInstallable") != null)
+                                                    if (moduleType.GetInterface(nameof(IInstallable)) != null)
                                                     {
                                                         tenantManager.SetTenant(tenant.TenantId);
                                                         var moduleObject = ActivatorUtilities.CreateInstance(scope.ServiceProvider, moduleType) as IInstallable;
diff --git a/Oqtane.Server/Pages/Sitemap.cshtml.cs b/Oqtane.Server/Pages/Sitemap.cshtml.cs
index 2435f831..96501294 100644
--- a/Oqtane.Server/Pages/Sitemap.cshtml.cs
+++ b/Oqtane.Server/Pages/Sitemap.cshtml.cs
@@ -73,7 +73,7 @@ namespace Oqtane.Pages
                             if (moduleDefinition != null && moduleDefinition.ServerManagerType != "")
                             {
                                 Type moduletype = Type.GetType(moduleDefinition.ServerManagerType);
-                                if (moduletype != null && moduletype.GetInterface("ISitemap") != null)
+                                if (moduletype != null && moduletype.GetInterface(nameof(ISitemap)) != null)
                                 {
                                     try
                                     {
diff --git a/Oqtane.Server/Repository/ModuleDefinitionRepository.cs b/Oqtane.Server/Repository/ModuleDefinitionRepository.cs
index f20c3d13..db20cd58 100644
--- a/Oqtane.Server/Repository/ModuleDefinitionRepository.cs
+++ b/Oqtane.Server/Repository/ModuleDefinitionRepository.cs
@@ -340,7 +340,7 @@ namespace Oqtane.Repository
                     if (!string.IsNullOrEmpty(moduledefinition.ServerManagerType))
                     {
                         Type servertype = Type.GetType(moduledefinition.ServerManagerType);
-                        if (servertype != null && servertype.GetInterface("IPortable") != null)
+                        if (servertype != null && servertype.GetInterface(nameof(IPortable)) != null)
                         {
                             moduledefinition.IsPortable = true;
                         }
diff --git a/Oqtane.Server/Repository/ModuleRepository.cs b/Oqtane.Server/Repository/ModuleRepository.cs
index 4d4a7e4e..5885ae9c 100644
--- a/Oqtane.Server/Repository/ModuleRepository.cs
+++ b/Oqtane.Server/Repository/ModuleRepository.cs
@@ -107,7 +107,7 @@ namespace Oqtane.Repository
                         if (moduledefinition.ServerManagerType != "")
                         {
                             Type moduletype = Type.GetType(moduledefinition.ServerManagerType);
-                            if (moduletype != null && moduletype.GetInterface("IPortable") != null)
+                            if (moduletype != null && moduletype.GetInterface(nameof(IPortable)) != null)
                             {
                                 try
                                 {
@@ -152,7 +152,7 @@ namespace Oqtane.Repository
                             if (moduledefinition.ServerManagerType != "")
                             {
                                 Type moduletype = Type.GetType(moduledefinition.ServerManagerType);
-                                if (moduletype != null && moduletype.GetInterface("IPortable") != null)
+                                if (moduletype != null && moduletype.GetInterface(nameof(IPortable)) != null)
                                 {
                                     try
                                     {
diff --git a/Oqtane.Server/Repository/SiteRepository.cs b/Oqtane.Server/Repository/SiteRepository.cs
index 37eba499..4e4ae06d 100644
--- a/Oqtane.Server/Repository/SiteRepository.cs
+++ b/Oqtane.Server/Repository/SiteRepository.cs
@@ -542,7 +542,7 @@ namespace Oqtane.Repository
                                 if (pageTemplateModule.Content != "" && moduleDefinition.ServerManagerType != "")
                                 {
                                     Type moduletype = Type.GetType(moduleDefinition.ServerManagerType);
-                                    if (moduletype != null && moduletype.GetInterface("IPortable") != null)
+                                    if (moduletype != null && moduletype.GetInterface(nameof(IPortable)) != null)
                                     {
                                         try
                                         {