diff --git a/controldata.c b/controldata.c
index 37b5fde4..4f61cbac 100644
--- a/controldata.c
+++ b/controldata.c
@@ -301,6 +301,8 @@ get_controlfile(const char *DataDir)
 					ControlFilePath);
 		log_detail("%s", strerror(errno));
 
+		close(fd);
+
 		return control_file_info;
 	}
 
diff --git a/dirutil.c b/dirutil.c
index 218522c8..356c1a55 100644
--- a/dirutil.c
+++ b/dirutil.c
@@ -276,6 +276,8 @@ is_pg_running(const char *path)
 			log_warning(_("invalid data in PostgreSQL PID file \"%s\""), path);
 		}
 
+		fclose(pidf);
+
 		return PG_DIR_NOT_RUNNING;
 	}
 
diff --git a/repmgr-action-node.c b/repmgr-action-node.c
index c02691ef..444ffd9e 100644
--- a/repmgr-action-node.c
+++ b/repmgr-action-node.c
@@ -2476,6 +2476,8 @@ do_node_rejoin(void)
 
 						termPQExpBuffer(&slotdir_ent_path);
 					}
+
+					closedir(slotdir);
 				}
 				termPQExpBuffer(&slotdir_path);
 			}
diff --git a/repmgr-action-standby.c b/repmgr-action-standby.c
index 2145b6aa..f8c73c11 100644
--- a/repmgr-action-standby.c
+++ b/repmgr-action-standby.c
@@ -6440,6 +6440,8 @@ run_file_backup(t_node_info *node_record)
 
 		if (fputs(tablespace_map.data, tablespace_map_file) == EOF)
 		{
+			fclose(tablespace_map_file);
+
 			log_error(_("unable to write to tablespace_map file \"%s\""), tablespace_map_filename.data);
 
 			r = ERR_BAD_BASEBACKUP;