Index: trunk/Ohana/src/opihi/cmd.astro/rotcurve.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/rotcurve.c	(revision 2598)
+++ trunk/Ohana/src/opihi/cmd.astro/rotcurve.c	(revision 2843)
@@ -14,5 +14,5 @@
 
   min = -1000;
-  if (N = get_argument (argc, argv, "-min")) {
+  if ((N = get_argument (argc, argv, "-min"))) {
     remove_argument (N, &argc, argv);
     min = atof (argv[N]);