diff -up meshlab-1.2.3a/meshlab/src/common/pluginmanager.cpp.plugin-path meshlab-1.2.3a/meshlab/src/common/pluginmanager.cpp
--- meshlab-1.2.3a/meshlab/src/common/pluginmanager.cpp.plugin-path	2010-04-28 00:30:57.000000000 -0700
+++ meshlab-1.2.3a/meshlab/src/common/pluginmanager.cpp	2011-01-30 19:46:12.000000000 -0800
@@ -98,7 +98,7 @@ QString PluginManager::getBaseDirPath()
 
 QString PluginManager::getPluginDirPath()
 {
-	QDir pluginsDir(getBaseDirPath());
+  QDir pluginsDir(QString(PLUGIN_DIR));
 	if(!pluginsDir.exists("plugins"))
 		//QMessageBox::warning(0,"Meshlab Initialization","Serious error. Unable to find the plugins directory.");
 		qDebug("Meshlab Initialization: Serious error. Unable to find the plugins directory.");