diff --git a/dmtree/tr181/usb.c b/dmtree/tr181/usb.c
index f83f0b10..eab56e15 100644
--- a/dmtree/tr181/usb.c
+++ b/dmtree/tr181/usb.c
@@ -467,6 +467,7 @@ int get_USB_InterfaceNumberOfEntries(char *refparam, struct dmctx *ctx, void *da
 				nbre++;
 		}
 	}
+	closedir(dir);
 	dmasprintf(value, "%d", nbre);
 	return 0;
 }
diff --git a/libbbf_api/dmcommon.c b/libbbf_api/dmcommon.c
index 84b79846..f096a75a 100644
--- a/libbbf_api/dmcommon.c
+++ b/libbbf_api/dmcommon.c
@@ -1133,6 +1133,9 @@ int synchronize_system_folders_with_dmmap_opt(char *sysfsrep, char *dmmap_packag
 		else
 			add_sysfs_sectons_list_paramameter(dup_list, dmmap_sect, ent->d_name, sysfs_rep_path);
 	}
+	if (dir)
+		closedir(dir);
+
 	/*
 	 * fusion two lists
 	 */