diff --git a/usr.sbin/extattrctl/extattrctl.8 b/usr.sbin/extattrctl/extattrctl.8
index 52ad1349a64a..fba5b5b0d963 100644
--- a/usr.sbin/extattrctl/extattrctl.8
+++ b/usr.sbin/extattrctl/extattrctl.8
@@ -40,7 +40,7 @@
 .Ar path
 .Nm extattrctl
 .Cm initattr
-.Op Fl o
+.Op Fl f
 .Op Fl p Ar path
 .Ar attrsize
 .Ar attrfile
@@ -76,7 +76,7 @@ Stop extended attribute support on the file system named using
 Extended attribute support must previously have been started.
 .It Xo
 .Cm initattr
-.Op Fl o
+.Op Fl f
 .Op Fl p Ar path
 .Ar attrsize attrfile
 .Xc
@@ -87,7 +87,7 @@ as well as the file where the attribute will be stored, using
 .Ar attrfile .
 .Pp
 The
-.Fl o
+.Fl f
 argument may be used to indicate that it is alright to overwrite an
 existing attribute backing file; otherwise, if the target file exists,
 an error will be returned.
diff --git a/usr.sbin/extattrctl/extattrctl.c b/usr.sbin/extattrctl/extattrctl.c
index 2d08926e1869..78026878fecf 100644
--- a/usr.sbin/extattrctl/extattrctl.c
+++ b/usr.sbin/extattrctl/extattrctl.c
@@ -54,7 +54,7 @@ usage(void)
 	    "usage:\n"
 	    "  extattrctl start [path]\n"
 	    "  extattrctl stop [path]\n"
-	    "  extattrctl initattr [-o] [-p path] [attrsize] [attrfile]\n"
+	    "  extattrctl initattr [-f] [-p path] [attrsize] [attrfile]\n"
 	    "  extattrctl enable [path] [attrname] [attrfile]\n"
 	    "  extattrctl disable [path] [attrname]\n");
 	exit(-1);
@@ -85,9 +85,9 @@ initattr(int argc, char *argv[])
 	int	ch, i, error, chunksize, overwrite = 0, flags;
 
 	optind = 0;
-	while ((ch = getopt(argc, argv, "op:r:w:")) != -1)
+	while ((ch = getopt(argc, argv, "fp:r:w:")) != -1)
 		switch (ch) {
-		case 'o':
+		case 'f':
 			overwrite = 1;
 			break;
 		case 'p':