diff --git a/lib/Core/Plot.cpp b/lib/Core/Plot.cpp
index fd695f7..d7b44fa 100644
--- a/lib/Core/Plot.cpp
+++ b/lib/Core/Plot.cpp
@@ -663,10 +663,6 @@ void Plot::display(void)
         string        command;
         ostringstream scriptBuf;
 
-        if (!getenv("DISPLAY"))
-        {
-            LATAN_ERROR(System, "cannot find DISPLAY variable: is it set ?");
-        }
         getProgramPath();
         command     = gnuplotPath_ + "/" + gnuplotBin_ + " 2>/dev/null";
         gnuplotPipe = popen(command.c_str(), "w");