diff --git a/avogadro/qtgui/interfacescript.cpp b/avogadro/qtgui/interfacescript.cpp
index c6163186aa..88195882fd 100644
--- a/avogadro/qtgui/interfacescript.cpp
+++ b/avogadro/qtgui/interfacescript.cpp
@@ -254,9 +254,8 @@ bool InterfaceScript::processCommand(Core::Molecule* mol)
 
     // how do we handle this result?
     if (obj["readProperties"].toBool()) {
-      qDebug() << " reading properties";
       guiMol->readProperties(newMol);
-      guiMol->emitChanged(Molecule::Atoms);
+      guiMol->emitChanged(Molecule::Properties | Molecule::Added);
     } else if (obj["append"].toBool()) {
       guiMol->undoMolecule()->appendMolecule(newMol, m_displayName);
     } else { // replace the whole molecule
diff --git a/avogadro/qtgui/molecule.h b/avogadro/qtgui/molecule.h
index 9eb86ff981..816e77c538 100644
--- a/avogadro/qtgui/molecule.h
+++ b/avogadro/qtgui/molecule.h
@@ -73,6 +73,7 @@ class AVOGADROQTGUI_EXPORT Molecule : public QObject, public Core::Molecule
     UnitCell = 0x04,
     Selection = 0x08,
     Layers = 0x16,
+    Properties = 0x32,
     /** Operations that can affect the above types. */
     Added = 0x1024,
     Removed = 0x2048,
@@ -93,7 +94,8 @@ class AVOGADROQTGUI_EXPORT Molecule : public QObject, public Core::Molecule
    */
   virtual AtomType addAtom(unsigned char atomicNumber, Index uniqueId);
 
-  AtomType addAtom(unsigned char number, Vector3 position3d, Index uniqueId = MaxIndex);
+  AtomType addAtom(unsigned char number, Vector3 position3d,
+                   Index uniqueId = MaxIndex);
 
   /**
    * @brief Remove the specified atom from the molecule.