diff --git a/lib/luks2/luks2_json_format.c b/lib/luks2/luks2_json_format.c
index ac509169..ab8b4db3 100644
--- a/lib/luks2/luks2_json_format.c
+++ b/lib/luks2/luks2_json_format.c
@@ -97,7 +97,7 @@ int LUKS2_find_area_gap(struct crypt_device *cd, struct luks2_hdr *hdr,
 	}
 
 	if ((offset + length) > get_max_offset(hdr)) {
-		log_err(cd, _("No space for new keyslot."));
+		log_dbg(cd, "Not enough space in header keyslot area.");
 		return -EINVAL;
 	}
 
diff --git a/lib/luks2/luks2_keyslot_luks2.c b/lib/luks2/luks2_keyslot_luks2.c
index 10f72378..db01780f 100644
--- a/lib/luks2/luks2_keyslot_luks2.c
+++ b/lib/luks2/luks2_keyslot_luks2.c
@@ -480,8 +480,10 @@ static int luks2_keyslot_alloc(struct crypt_device *cd,
 		return -EINVAL;
 
 	r = LUKS2_find_area_gap(cd, hdr, volume_key_len, &area_offset, &area_length);
-	if (r < 0)
+	if (r < 0) {
+		log_err(cd, _("No space for new keyslot."));
 		return r;
+	}
 
 	jobj_keyslot = json_object_new_object();
 	json_object_object_add(jobj_keyslot, "type", json_object_new_string("luks2"));