diff --git a/compiler/src/parsing/parser.mly b/compiler/src/parsing/parser.mly
index ac8c529ea5..fa3c1efd75 100644
--- a/compiler/src/parsing/parser.mly
+++ b/compiler/src/parsing/parser.mly
@@ -16,7 +16,7 @@ module Grain_parsing = struct end
 %token <string> NUMBER_INT NUMBER_FLOAT
 %token <string> INT8 INT16 INT32 INT64 UINT8 UINT16 UINT32 UINT64 FLOAT32 FLOAT64 BIGINT
 %token <string> WASMI32 WASMI64 WASMF32 WASMF64
-%token <string> LIDENT [@pattern "[\\p{XID_Start}--\\p{Lu}_]\\p{XID_Continue}*"] UIDENT [@pattern "\\p{XID_Start}&&\\p{Lu}\\p{XID_Continue}"]
+%token <string> LIDENT [@pattern "[\\p{XID_Start}--\\p{Lu}_]\\p{XID_Continue}*"] UIDENT [@pattern "\\p{XID_Start}&&\\p{Lu}\\p{XID_Continue}*"]
 %token <string> STRING BYTES CHAR
 %token LBRACK LBRACKRCARET RBRACK LPAREN RPAREN LBRACE RBRACE LCARET RCARET
 %token COMMA SEMI AS