diff --git a/Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp b/Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp
index 48c43fa..f4b3a68 100644
--- a/Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp
+++ b/Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp
@@ -1222,6 +1222,7 @@ bool VNA::SpanMatchCal()
     SetStartFreq(cal.getMinFreq());
     SetStopFreq(cal.getMaxFreq());
     SetPoints(cal.getNumPoints());
+    UpdateCalWidget();
     return true;
 }