diff --git a/lib/impure/db_postgres.nim b/lib/impure/db_postgres.nim
index f9f584663d..5f77c56a48 100644
--- a/lib/impure/db_postgres.nim
+++ b/lib/impure/db_postgres.nim
@@ -110,7 +110,9 @@ proc dbQuote*(s: string): string =
   ## DB quotes the string.
   result = "'"
   for c in items(s):
-    if c == '\'': add(result, "''")
+    case c
+    of '\'': add(result, "''")
+    of '\0': add(result, "\\0")
     else: add(result, c)
   add(result, '\'')