diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 06c28ab3149..dc1f4bfbbcd 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -902,6 +902,8 @@ read_one_statement(StringInfo inBuf, FILE *pfile)
 			break;
 		}
 
+		destroyStringInfo(&q);
+
 		if (c == '\n')
 			appendStringInfoChar(inBuf, (char) '\n');
 	}