diff --git a/common/exf.c b/common/exf.c
index 112220f..2ed624f 100644
--- a/common/exf.c
+++ b/common/exf.c
@@ -573,6 +573,7 @@ file_cinit(SCR *sp)
                     "-C option", gp->C_option, strlen(gp->C_option), 1, 1))
                         return;
                 gp->C_option = NULL;
+                gp->c_option = NULL;
         } else if (gp->c_option != NULL && !F_ISSET(sp->frp, FR_NEWFILE)) {
                 if (db_last(sp, &sp->lno))
                         return;
diff --git a/common/main.c b/common/main.c
index 3c03746..6eba940 100644
--- a/common/main.c
+++ b/common/main.c
@@ -167,8 +167,8 @@ editor(GS *gp, int argc, char *argv[])
                          * Should we support multiple -C options?
                          */
 
-                        if (gp->C_option != NULL) {
-                                openbsd_warnx("only one -C command may be specified.");
+                        if (gp->c_option != NULL || gp->C_option != NULL) {
+                                openbsd_warnx("only one -c or -C command may be specified.");
                                 return (1);
                         }
                         gp->C_option = openbsd_optarg;
@@ -180,8 +180,8 @@ editor(GS *gp, int argc, char *argv[])
                          * We should support multiple -c options.
                          */
 
-                        if (gp->c_option != NULL) {
-                                openbsd_warnx("only one -c command may be specified.");
+                        if (gp->C_option != NULL || gp->c_option != NULL) {
+                                openbsd_warnx("only one -c or -C command may be specified.");
                                 return (1);
                         }
                         gp->c_option = openbsd_optarg;
diff --git a/docs/USD.doc/vi.man/vi.1 b/docs/USD.doc/vi.man/vi.1
index b4ae40b..ec048d8 100644
--- a/docs/USD.doc/vi.man/vi.1
+++ b/docs/USD.doc/vi.man/vi.1
@@ -103,7 +103,7 @@ This is the POSIX 1003.2 interface for the historic
 syntax.
 .Nm oex Ns / Ns Nm ovi
 supports both the old and new syntax.  This option is mutally
-exclusive with "-C"; if both are specified, "-C" takes precedence.
+exclusive with "-C".
 .It Fl C Ar cmd
 Execute
 .Ar cmd
@@ -113,8 +113,7 @@ from the
 .Pa $HOME/.nexrc
 or
 .Pa $HOME/.exrc
-files.  This option is mutually exclusive with "-c"; if both are
-specified, this option takes precedence.
+files.  This option is mutually exclusive with "-c".
 .It Fl e
 Start editing in ex mode, as if the command name were
 .Nm ex .