diff --git a/app/node/color/colormanager/colormanager.cpp b/app/node/color/colormanager/colormanager.cpp
index a8a446208..4dfac3e6c 100644
--- a/app/node/color/colormanager/colormanager.cpp
+++ b/app/node/color/colormanager/colormanager.cpp
@@ -272,7 +272,21 @@ void ColorManager::InputValueChangedEvent(const QString &input, int element)
   if (input == kConfigFilenameIn) {
 
     try {
+      QString old_default_cs = GetDefaultInputColorSpace();
+
       SetConfig(OCIO::Config::CreateFromFile(GetConfigFilename().toUtf8()));
+
+      // Set new default colorspace appropriately
+      int new_default = 0;
+      QStringList available_cs = ListAvailableColorspaces();
+      for (int i=0; i<available_cs.size(); i++) {
+        if (available_cs.at(i).compare(old_default_cs, Qt::CaseInsensitive)) {
+          new_default = i;
+          break;
+        }
+      }
+      SetStandardValue(kDefaultColorspaceIn, new_default);
+
       emit ConfigChanged();
     } catch (OCIO::Exception&) {}