diff --git a/pytec/pytec/gui/view/unitful.py b/pytec/pytec/gui/view/unitful.py
index 699f4ca..46e9308 100644
--- a/pytec/pytec/gui/view/unitful.py
+++ b/pytec/pytec/gui/view/unitful.py
@@ -91,6 +91,24 @@ class UnitfulSpinBox(SpinBox):
 
         super().setOpts(**opts)
 
+    def editingFinishedEvent(self):
+        # Modified from pyqtgraph.SpinBox.editingFinishedEvent source
+
+        new_text = self.lineEdit().text()
+        if new_text == self.lastText:
+            return
+        try:
+            val = self.interpret()
+        except Exception:
+            return
+
+        if val is False:
+            return
+        if val == self.val:
+            self.updateText()  # still update text so that values are reformatted pretty-like
+            return
+        self.setValue(val, delaySignal=False)  ## allow text update so that values are reformatted pretty-like
+
     def formatText(self, prev=None):
         """
         In addition to pyqtgraph.SpinBox's formatting, incorporate the