diff --git a/src/frontend/outitf.c b/src/frontend/outitf.c
index f3d494d7b..9f424e1d2 100644
--- a/src/frontend/outitf.c
+++ b/src/frontend/outitf.c
@@ -737,7 +737,7 @@ OUTattributes(runDesc *plotPtr, IFuid varName, int param, IFvalue *value)
                     d->v_gridtype = type;
         } else if (param == PLOT_COMB) {
             for (d = run->runPlot->pl_dvecs; d; d = d->v_next)
-                d->v_plottype = param;
+                d->v_plottype = PLOT_COMB;
         } else {
             run->runPlot->pl_scale->v_gridtype = type;
         }