diff --git a/Sources/App/CapServer.swift b/Sources/App/CapServer.swift
index f413b84..64698bb 100644
--- a/Sources/App/CapServer.swift
+++ b/Sources/App/CapServer.swift
@@ -24,6 +24,7 @@ final class CapServer {
         get {
             do {
                 let content = try String(contentsOf: classifierVersionFile)
+                    .trimmingCharacters(in: .whitespacesAndNewlines)
                 guard let value = Int(content) else {
                     log("Invalid classifier version: \(content)")
                     return 0