1 files changed, 4 insertions, 4 deletions
diff --git a/js/Misc/HYSTHERESIS.js b/js/Misc/HYSTHERESIS.js
index 981bbdfe..c3018391 100644
--- a/js/Misc/HYSTHERESIS.js
+++ b/js/Misc/HYSTHERESIS.js
@@ -39,8 +39,8 @@ function HYSTHERESIS() {
         this.out_low = arguments[0]["out_low"]
         this.nzz = parseFloat(arguments[0]["nzz"])
         this.x = arg1;
-        var graphics = arg1.graphics;
-        var exprs = graphics.exprs;
+        this.graphics = arg1.graphics;
+        var exprs = this.graphics.exprs;
         this.model = arg1.model;
         while (true) {
             [ok,this.high_lim,this.low_lim,this.out_high,this.out_low,this.nzz,exprs] = scicos_getvalue("Set parameters",["switch on at","switch off at","output when on","output when off","use zero crossing: yes (1), no (0)"],list("vec",1,"vec",1,"vec",1,"vec",1,"vec",1),exprs);
@@ -50,13 +50,13 @@ function HYSTHERESIS() {
             if (this.low_lim>this.high_lim) {
                 message("switch on value must be larger than switch off value");
             } else {
-                graphics.exprs = exprs;
+                this.graphics.exprs = new ScilabDouble([exprs]);
                 this.model.rpar = new ScilabDouble(transpose([this.high_lim,this.low_lim,this.out_high,this.out_low]));
                 if (this.nzz>0) {
                     this.nzz = 2;
                 }
                 this.model.nzcross = new ScilabDouble([this.nzz]);
-                this.x.graphics = graphics;
+                this.x.graphics = this.graphics;
                 this.x.model = this.model;
                 break;
             }