diff --git a/internal/handlers/app.go b/internal/handlers/app.go
index 28382de..0a9ee77 100644
--- a/internal/handlers/app.go
+++ b/internal/handlers/app.go
@@ -72,7 +72,7 @@ func (h *Handlers) HandleAppCreate() http.HandlerFunc { //nolint:funlen // valid
 		nameErr := validateAppName(name)
 		if nameErr != nil {
 			data["Error"] = "Invalid app name: " + nameErr.Error()
-			_ = tmpl.ExecuteTemplate(writer, "app_new.html", data)
+			h.renderTemplate(writer, tmpl, "app_new.html", data)
 
 			return
 		}
@@ -228,7 +228,7 @@ func (h *Handlers) HandleAppUpdate() http.HandlerFunc { //nolint:funlen // valid
 				"App":   application,
 				"Error": "Invalid app name: " + nameErr.Error(),
 			}, request)
-			_ = tmpl.ExecuteTemplate(writer, "app_edit.html", data)
+			h.renderTemplate(writer, tmpl, "app_edit.html", data)
 
 			return
 		}
@@ -239,7 +239,7 @@ func (h *Handlers) HandleAppUpdate() http.HandlerFunc { //nolint:funlen // valid
 				"App":   application,
 				"Error": "Invalid repository URL: " + repoURLErr.Error(),
 			}, request)
-			_ = tmpl.ExecuteTemplate(writer, "app_edit.html", data)
+			h.renderTemplate(writer, tmpl, "app_edit.html", data)
 
 			return
 		}