diff --git a/core/io/util.odin b/core/io/util.odin
index 72983523a..a956a5975 100644
--- a/core/io/util.odin
+++ b/core/io/util.odin
@@ -189,6 +189,23 @@ write_escaped_rune :: proc(w: Writer, r: rune, quote: byte, html_safe := false,
 		write_encoded_rune(w, r, false, &n) or_return
 		return
 	}
+	if r < 32 && for_json {
+		switch r {
+		case '\b': write_string(w, `\b`, &n) or_return
+		case '\f': write_string(w, `\f`, &n) or_return
+		case '\n': write_string(w, `\n`, &n) or_return
+		case '\r': write_string(w, `\r`, &n) or_return
+		case '\t': write_string(w, `\t`, &n) or_return
+		case:
+			write_byte(w, '\\', &n) or_return
+			write_byte(w, 'u', &n)  or_return
+			write_byte(w, '0', &n)  or_return
+			write_byte(w, '0', &n)  or_return
+			write_byte(w, DIGITS_LOWER[r>>4 & 0xf], &n) or_return
+			write_byte(w, DIGITS_LOWER[r    & 0xf], &n) or_return
+		}
+		return
+	}
 	switch r {
 	case '\a': write_string(w, `\a`, &n) or_return
 	case '\b': write_string(w, `\b`, &n) or_return
diff --git a/core/odin/parser/parser.odin b/core/odin/parser/parser.odin
index 18dd9aa88..dab2d5d6a 100644
--- a/core/odin/parser/parser.odin
+++ b/core/odin/parser/parser.odin
@@ -2485,7 +2485,7 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 				allow_token(p, .Comma) or_break
 			}
 
-			close := expect_token(p, .Close_Brace)
+			close := expect_closing_brace_of_field_list(p)
 
 			if len(args) == 0 {
 				error(p, tok.pos, "expected at least 1 argument in procedure group")