--- a/src/meshlabplugins/render_gdp/meshrender.cpp
+++ b/src/meshlabplugins/render_gdp/meshrender.cpp
@@ -39,7 +39,7 @@ void MeshShaderRenderPlugin::initActionL
 	qaNone->setCheckable(false);
 	actionList << qaNone;*/
 
-	QDir shadersDir = QDir(qApp->applicationDirPath());
+	QDir shadersDir = QDir("/usr/share/meshlab");
 #if defined(Q_OS_WIN)
 	QString d = shadersDir.dirName();
 	QString dLower = d.toLower();
--- a/src/meshlabplugins/render_gdp/shaderDialog.cpp
+++ b/src/meshlabplugins/render_gdp/shaderDialog.cpp
@@ -317,7 +317,7 @@ void ShaderDialog::changeTexturePath(int
 void ShaderDialog::browseTexturePath(int i) {
 	QFileDialog fd(0,"Choose new texture");
 
-	QDir shadersDir = QDir(qApp->applicationDirPath());
+	QDir shadersDir = QDir("/usr/share/meshlab");
 #if defined(Q_OS_WIN)
 	if (shadersDir.dirName() == "debug" || shadersDir.dirName() == "release")
 		shadersDir.cdUp();
--- a/src/plugins_unsupported/render_rfx/render_rfx.cpp
+++ b/src/plugins_unsupported/render_rfx/render_rfx.cpp
@@ -55,7 +55,7 @@ QList<QAction*> RenderRFX::actions()
 
 void RenderRFX::initActionList()
 {
-	QDir shadersDir = PluginManager::getBaseDirPath();
+	QDir shadersDir = QDir("/usr/share/meshlab");
 
 #if defined(Q_OS_WIN)
 	if (shadersDir.dirName() == "debug"   ||
--- a/src/plugins_experimental/render_splatpyramid/dialog.cpp
+++ b/src/plugins_experimental/render_splatpyramid/dialog.cpp
@@ -123,7 +123,7 @@ void Dialog::changeTexturePath(int i) {
 void Dialog::browseTexturePath(int i) {
   QFileDialog fd(0,"Choose new texture");
 
-  QDir shadersDir = QDir(qApp->applicationDirPath());
+  QDir shadersDir = QDir("/usr/share/meshlab");
 #if defined(Q_OS_WIN)
   if (shadersDir.dirName() == "debug" || shadersDir.dirName() == "release")
 	shadersDir.cdUp();
--- a/src/plugins_experimental/render_splatpyramid/splat_pyramid.cc
+++ b/src/plugins_experimental/render_splatpyramid/splat_pyramid.cc
@@ -85,7 +85,7 @@ void PyramidPointRendererPlugin::Init(QA
 		objects[i].setRendererType( render_mode );
 
   	/// Sets the path to the meshlab's shaders directory
-  	QDir shadersDir = QDir(qApp->applicationDirPath());
+  	QDir shadersDir = QDir("/usr/share/meshlab");
 #if defined(Q_OS_WIN)
 	if (shadersDir.dirName() == "debug" || shadersDir.dirName() == "release" || shadersDir.dirName() == "plugins"  )
 		shadersDir.cdUp();
--- a/src/plugins_unsupported/render_rm/rmmeshrender.cpp
+++ b/src/plugins_unsupported/render_rm/rmmeshrender.cpp
@@ -63,7 +63,7 @@ QList<QAction*> RmMeshShaderRenderPlugin
 
 void RmMeshShaderRenderPlugin::initActionList() {
 
-	QDir shadersDir = QDir(qApp->applicationDirPath());
+	QDir shadersDir = QDir("/usr/share/meshlab");
 #if defined(Q_OS_WIN)
 	if (shadersDir.dirName() == "debug" ||
 	    shadersDir.dirName() == "release" ||