diff --git a/kstars/ekos/align/align.h b/kstars/ekos/align/align.h
--- a/kstars/ekos/align/align.h
+++ b/kstars/ekos/align/align.h
@@ -519,6 +519,7 @@
         void setDefaultCCD(QString ccd);
 
         void saveSettleTime();
+        void saveAccuracy();
 
         // Solver timeout
         void checkAlignmentTimeout();
diff --git a/kstars/ekos/align/align.cpp b/kstars/ekos/align/align.cpp
--- a/kstars/ekos/align/align.cpp
+++ b/kstars/ekos/align/align.cpp
@@ -296,6 +296,7 @@
 
     accuracySpin->setValue(Options::solverAccuracyThreshold());
     alignDarkFrameCheck->setChecked(Options::alignDarkFrame());
+    connect(accuracySpin, &QSpinBox::editingFinished, this, &Ekos::Align::saveAccuracy);
 
     delaySpin->setValue(Options::settlingTime());
     connect(delaySpin, &QSpinBox::editingFinished, this, &Ekos::Align::saveSettleTime);
@@ -5109,6 +5110,11 @@
     Options::setSettlingTime(delaySpin->value());
 }
 
+void Align::saveAccuracy()
+{
+    Options::setSolverAccuracyThreshold(accuracySpin->value());
+}
+
 void Align::setCaptureStatus(CaptureState newState)
 {
     switch (newState)