diff --git a/src/apps/deskflow-gui/MainWindow.cpp b/src/apps/deskflow-gui/MainWindow.cpp
index 4be96c2b2..fcc27838f 100644
--- a/src/apps/deskflow-gui/MainWindow.cpp
+++ b/src/apps/deskflow-gui/MainWindow.cpp
@@ -168,7 +168,7 @@ MainWindow::MainWindow(ConfigScopes &configScopes, AppConfig &appConfig)
 
     deskflow::FingerprintDatabase db;
     db.read(localPath);
-    if (db.fingerprints().size() != 2) {
+    if (db.fingerprints().size() != kTlsDbSize) {
       regenerateLocalFingerprints();
     }
   }
@@ -495,7 +495,7 @@ void MainWindow::showMyFingerprint()
 
   deskflow::FingerprintDatabase db;
   db.read(localPath);
-  if (db.fingerprints().size() != 2) {
+  if (db.fingerprints().size() != kTlsDbSize) {
     if (regenerateLocalFingerprints())
       showMyFingerprint();
     return;
diff --git a/src/lib/common/constants.h.in b/src/lib/common/constants.h.in
index 266362128..ddbe2879c 100644
--- a/src/lib/common/constants.h.in
+++ b/src/lib/common/constants.h.in
@@ -28,6 +28,7 @@ const auto kDebugBuild = false;
 
 
 const auto kSslDir = "tls";
+const auto kTlsDbSize = 2;
 const auto kCertificateFilename = "@CMAKE_PROJECT_NAME@.pem";
 const auto kFingerprintLocalFilename = "local-fingerprint";
 const auto kFingerprintTrustedServersFilename = "trusted-servers";