diff --git a/Sources/App/configure.swift b/Sources/App/configure.swift
index 9b26ade..feba30c 100755
--- a/Sources/App/configure.swift
+++ b/Sources/App/configure.swift
@@ -18,6 +18,7 @@ public func configure(_ app: Application) throws {
         .map { $0.trimmingCharacters(in: .whitespaces) }
         .filter { !$0.isEmpty }
     guard configData.count >= 2 else {
+        print("Invalid configuration file: \(configData.count) lines")
         throw CapError.invalidConfiguration
     }
     let logFile = URL(fileURLWithPath: configData[0])