diff --git a/ScStwLibraries/sources/scstwclient.cpp b/ScStwLibraries/sources/scstwclient.cpp
index e011442..8cd17e2 100644
--- a/ScStwLibraries/sources/scstwclient.cpp
+++ b/ScStwLibraries/sources/scstwclient.cpp
@@ -413,7 +413,7 @@ bool ScStwClient::isFirmwareUpToDate() {
     QString newFirmwareVersion = fileContents.split("<VER>")[1].split("</VER>")[0];
     QString currentFirmwareVersion = this->firmwareVersion;
 
-    return ScStw::firmwareCompare(currentFirmwareVersion, newFirmwareVersion) < 0;
+    return ScStw::firmwareCompare(newFirmwareVersion, currentFirmwareVersion) <= 0;
 }
 
 // ------------------------