--- rpl/src/gnuplot.h	2010/09/10 13:41:44	1.13
+++ rpl/src/gnuplot.h	2010/09/10 15:18:54	1.14
@@ -31,7 +31,7 @@
 #define ds_gnuplot_commande_trace_2D			"plot"
 #define ds_gnuplot_commande_trace_3D			"splot"
 
-#ifndef OS2
+#ifdef OS2
 #	define ds_gnuplot_terminal_defaut			"set terminal pm"
 #else
 #	define ds_gnuplot_terminal_defaut			"set terminal x11"