diff --git a/ext/ghoul b/ext/ghoul
index f8e1ba97c3..1f1386215e 160000
--- a/ext/ghoul
+++ b/ext/ghoul
@@ -1 +1 @@
-Subproject commit f8e1ba97c3d70ac456a3db3843d4160a6733d6b3
+Subproject commit 1f1386215e517179f7a4e80e64693fd3ebc2b339
diff --git a/include/openspace/properties/propertyowner.h b/include/openspace/properties/propertyowner.h
index b2030f9951..ad7f136d92 100644
--- a/include/openspace/properties/propertyowner.h
+++ b/include/openspace/properties/propertyowner.h
@@ -91,8 +91,9 @@ public:
 	 * more <code>.</code>, the first part of the name will be recursively extracted and
 	 * used as a name for a sub-owner and only the last part of the identifier is
 	 * referring to a Property owned by PropertyOwner named by the second-but-last name.
-	 * \param URI The identifier of the Property that should be extracted. If the Property
-	 * cannot be found, <code>nullptr</code> is returned
+	 * \param URI The identifier of the Property that should be extracted
+	 * \return If the Property cannot be found, <code>nullptr</code> is returned,
+	 * otherwise the pointer to the Property is returned
 	 */
     Property* property(const std::string& URI) const;
 
diff --git a/openspace-data b/openspace-data
index 5100d9e5b8..4d3fc5402c 160000
--- a/openspace-data
+++ b/openspace-data
@@ -1 +1 @@
-Subproject commit 5100d9e5b8366034809ff57890f0aafb63cc5677
+Subproject commit 4d3fc5402c0f4fe271dbff7f437423cd956245c8
diff --git a/src/properties/propertyowner.cpp b/src/properties/propertyowner.cpp
index 6c626c035e..f2cefb6dac 100644
--- a/src/properties/propertyowner.cpp
+++ b/src/properties/propertyowner.cpp
@@ -77,8 +77,6 @@ Property* PropertyOwner::property(const std::string& id) const
         const size_t ownerSeparator = id.find(URISeparator);
         if (ownerSeparator == std::string::npos) {
             // if we do not own the property and there is no separator, it does not exist
-            LERROR("The identifier '" << id << "' did not exist in PropertyOwner '" <<
-                   name() << "'");
             return nullptr;
         }
         else {
@@ -87,8 +85,6 @@ Property* PropertyOwner::property(const std::string& id) const
             
             PropertyOwner* owner = subOwner(ownerName);
             if (owner == nullptr) {
-                LERROR("Sub PropertyOwner '" << owner
-                       << "' did not exist for PropertyOwner '" << name() << "'");
                 return nullptr;
             }
             else {
diff --git a/src/scenegraph/scenegraph.cpp b/src/scenegraph/scenegraph.cpp
index 781afab522..26d5d6d9e9 100644
--- a/src/scenegraph/scenegraph.cpp
+++ b/src/scenegraph/scenegraph.cpp
@@ -367,6 +367,9 @@ bool SceneGraph::loadSceneInternal(const std::string& sceneDescriptionFilePath)
 		return false;
 	}
 
+	LDEBUG("Loading common module folder '" << commonDirectory << "'");
+	loadModule(FileSys.pathByAppendingComponent(moduleDirectory, commonDirectory));
+
     Dictionary moduleDictionary;
     if (dictionary.getValue(constants::scenegraph::keyModules, moduleDictionary)) {
         std::vector<std::string> keys = moduleDictionary.keys();
@@ -374,7 +377,7 @@ bool SceneGraph::loadSceneInternal(const std::string& sceneDescriptionFilePath)
         for (const std::string& key : keys) {
             std::string moduleFolder;
 			if (moduleDictionary.getValue(key, moduleFolder))
-                loadModule(moduleDirectory + "/" + moduleFolder);
+                loadModule(FileSys.pathByAppendingComponent(moduleDirectory, moduleFolder));
         }
     }
 
@@ -465,7 +468,7 @@ bool SceneGraph::loadSceneInternal(const std::string& sceneDescriptionFilePath)
 
 void SceneGraph::loadModule(const std::string& modulePath)
 {
-    auto pos = modulePath.find_last_of("/");
+    auto pos = modulePath.find_last_of(ghoul::filesystem::FileSystem::PathSeparator);
     if (pos == modulePath.npos) {
         LERROR("Bad format for module path: " << modulePath);
         return;