X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fexamine.q;h=96d8210da59d3341fe176215e65521c23c0bc113;hb=e32e05bf60402d3229e45adcc9b4c8d5bb27d174;hp=f92bba1fd2160709f263a860b9bd0dd22699e38d;hpb=3a66b403c8856da07a1de12c96e163971909e29a;p=pspp-builds.git

diff --git a/src/examine.q b/src/examine.q
index f92bba1f..96d8210d 100644
--- a/src/examine.q
+++ b/src/examine.q
@@ -1777,7 +1777,7 @@ box_plot_group(const struct factor *fctr,
 				   s);
 	    }
 	}
-      else
+      else if ( ch )
 	{
 	  const double box_width = (ch->data_right - ch->data_left) / 3.0;
 	  const double box_centre = (ch->data_right + ch->data_left) / 2.0;