diff --git a/mainwindow.cpp b/mainwindow.cpp
index c16099d..d233917 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -5310,7 +5310,7 @@ void MainWindow::createMessage(QString const& text){
         return;
     }
 
-    if(text.contains(" APRS:") && !m_aprsClient->isPasscodeValid()){
+    if(text.contains("APRS:") && !m_aprsClient->isPasscodeValid()){
         MessageBox::warning_message(this, tr ("Please ensure a valid APRS passcode is set in the settings when sending an APRS packet."));
         return;
     }