diff --git a/src/backends/R/rexpression.cpp b/src/backends/R/rexpression.cpp
--- a/src/backends/R/rexpression.cpp
+++ b/src/backends/R/rexpression.cpp
@@ -102,10 +102,14 @@
         {
             qDebug()<<"its PostScript";
             setResult(new Cantor::EpsResult(QUrl::fromLocalFile(file)));
-        } else if(type.inherits(QLatin1String("text/plain")))
+        }
+        else if(type.inherits(QLatin1String("text/plain")) 
+            || type.inherits(QLatin1String("application/x-extension-html")))
         {
             //Htmls are also plain texts, combining this in one
-            if(type.inherits(QLatin1String("text/html")))
+            const bool isHtml = type.inherits(QLatin1String("text/html"))
+                || type.inherits(QLatin1String("application/x-extension-html"));
+            if(isHtml)
                 qDebug()<<"its a HTML document";
             else
                 qDebug()<<"its plain text";
@@ -118,7 +122,7 @@
                 setStatus(Cantor::Expression::Error);
             }
             QString content=QTextStream(&f).readAll();
-            if (!type.inherits(QLatin1String("text/html")))
+            if (!isHtml)
             {
                 //Escape whitespace
                 content.replace( QLatin1Char(' '), QLatin1String("&nbsp;"));
diff --git a/src/backends/R/rserver/rserver.cpp b/src/backends/R/rserver/rserver.cpp
--- a/src/backends/R/rserver/rserver.cpp
+++ b/src/backends/R/rserver/rserver.cpp
@@ -84,9 +84,9 @@
 {
     new RAdaptor(this);
 
+    m_tmpDir = QDir::tempPath() + QString::fromLatin1("/cantor_rserver-%1").arg(getpid());
     QDir dir;
-    dir.mkdir(QDir::tempPath() + QString::fromLatin1("/cantor/rserver-%1").arg(getpid()));
-    m_tmpDir=QDir::tempPath() + QString::fromLatin1("/cantor/rserver-%1").arg(getpid());
+    dir.mkdir(m_tmpDir);
     qDebug()<<"storing plots at "<<m_tmpDir;
 
     initR();