diff --git a/lib/pure/parsesql.nim b/lib/pure/parsesql.nim
index 68e75e5fa3..0232baf8df 100644
--- a/lib/pure/parsesql.nim
+++ b/lib/pure/parsesql.nim
@@ -679,8 +679,8 @@ proc getPrecedence(p: SqlParser): int =
   else:
     result = - 1
 
-proc parseExpr(p: var SqlParser): SqlNode
-proc parseSelect(p: var SqlParser): SqlNode
+proc parseExpr(p: var SqlParser): SqlNode {.gcsafe.}
+proc parseSelect(p: var SqlParser): SqlNode {.gcsafe.}
 
 proc identOrLiteral(p: var SqlParser): SqlNode =
   case p.tok.kind
@@ -1208,7 +1208,7 @@ proc addIden(s: var SqlWriter, thing: string) =
     iden = '"' & iden & '"'
   s.add(iden)
 
-proc ra(n: SqlNode, s: var SqlWriter)
+proc ra(n: SqlNode, s: var SqlWriter) {.gcsafe.}
 
 proc rs(n: SqlNode, s: var SqlWriter, prefix = "(", suffix = ")", sep = ", ") =
   if n.len > 0: