diff --git a/src/lib/commands/setres.c b/src/lib/commands/setres.c
index 3d411abf..e1b247ea 100644
--- a/src/lib/commands/setres.c
+++ b/src/lib/commands/setres.c
@@ -68,7 +68,8 @@ setres(void)
 	    amt = 100;
 	if (amt < 0)
 	    amt = 0;
-	check_sect_ok(&sect);
+	if (!check_sect_ok(&sect))
+	    return RET_FAIL;
 	switch (char0) {
 	case 'i':
 	    if (sect.sct_own != 0)
diff --git a/src/lib/commands/setsect.c b/src/lib/commands/setsect.c
index d9359d60..ab635580 100644
--- a/src/lib/commands/setsect.c
+++ b/src/lib/commands/setsect.c
@@ -67,7 +67,8 @@ setsector(void)
 	if (!p || !*p)
 	    return RET_SYN;
 	amt = atoi(p);
-	check_sect_ok(&sect);
+	if (!check_sect_ok(&sect))
+	    return RET_FAIL;
 	switch (char0) {
 	case 'i':
 	    current = sect.sct_min;